Jun 10
i was stuck on that question for like 20 minutes and then i realised that after factorising it was just the quadratic formula and it became easy as piss
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I used to be really into factorising numbers but I'm not so much anymore
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Jun 8
Yeah gng cuz factorising quadratics is so soul sucking ✌️✌️✌️✌️✌️✌️✌️✌️✌️✌️✌️✌️✌️✌️
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In 2018, I called for a guaranteed question in algebra in JC HL Maths. Yesterday there was the quadratic formula and algebraic fractions. It's a shame to see a move away from factorising by grouping, difference of two squares etc irishexaminer.com/news/arid-…
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One key topic for maths paper 3 is expanding and factorising, and this resource is a great way to check whether students are making errors with negatives when using the quadratic formula.
Check out the question set: bit.ly/algebralbq
#LbQMaths
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(√m √m)/√m×√m = 1
2√m/m = 1
2√m = m ( square both sides )
4m = m²
4m-m² = 0 ( factorising m )
m(4-m) = 0
Either m= 0 or m-4 = 0, m= 4
m = 4 or m = 0
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Divide through by 20, and bring up the x-5. You get (2x-4)(x-5)/(2x² 12x-32). After dividing by 2 on top and bottom and factorising you get (x-2)(x-5)/(x-2)(x 8), giving you a final answer of (x-5)/(x 8) :D
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Forgot to post updated version of the factorising practice app I built using ClaudeAI. The user selects which type they want to practise and built in fading so that only the first 3 questions in each level get hints. Full solutions given where required. quadratic-factorising.netlif…
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(n² 3n)/n = 15
n² 3n = 15n
n² 3n-15n = 0
n²-12n = 0 ( by factorising n)
n(n-12) = 0
n= 0 or n-12 =0
n = 0 or n = 12
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Totally inspired by Tudor’s Whiteboard work today on how to set out factorising single brackets! Super useful when you have loads of common factors and are trying to find the highest 🔎
@BBGAcademy @BbgYear7 @MathsBbg
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a mark for using the trig identity, another mark for applying the exponent laws (1 mark for both), a mark for simplifying with the LCD, a mark for factorising and solving for x, a mark for making the bases the same, a mark for solving for theta and a mark for substituting
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An algorithm towards $\varepsilon$-factorising Feynman Integrals
arxiv.org/pdf/2603.03649
epsilon-collaboration et al.
arxiv.org/abs/2603.03649
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Have updated app so that pupil enters solutions in vinculum format rather than / format. Also have added levels to include simple cancelling of common binomial factors, factorising monic quadratics and difference of 2 squares before cancelling. Will add in combined cases later.
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Feb 23
✨New Resource!✨
AFL questions on factorising into a single bracket, using area models! Enjoy!
bright-maths.co.uk/algebra
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Feb 3
S(t)=t³-6t² 9t
i. v(t)=3t²-12t 9
ii. a(t)=6t-12
iii. At rest, v(t)=0
3t²-12t 9=0
t²-4t 3=0
(t-1)(t-4)
t = 1s, or t = 3s
iv. On motion, v(t)>o
So we say
3t²-12t 9>0
Factorising again, we will arrive at
(t-1)(t-3)>0
So the particles move forward at
"t<1 or t>3"
Feb 3
A particle moves along a straight line, and its position at time t sec is given by:
s(t)=t³-6t² 9t
Find the velocity and the acceleration of the particle at any time
Find the time(s) when d particle is at rest.
Find the time intervals when the particle is moving forward.
GM guys
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Jan 15
I was fortunate enough to be in the audience when Peter Gutmann gave a talk on his Quantum Factorisation paper
Here is a video of Ripley factorising the number 15, the full talk is available on youtube here: youtube.com/watch?v=xa4Ok7WN…
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23 Oct 2025
How important is it to include non-examples in a set of questions?
For example, factorising expressions lends itself nicely to this idea.
#1001MathsBots
mathsbot.com/tasks
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