Mathematics · Oct / Nov 2024 · Paper 22 · Question 11
0580
As printed in the paper
The question as text
Factorise fully. 2
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
11(a)[2]
3x(8x – 3y) final answer [1]
B1 for 3(8x2 – 3xy) or x(24x – 9y) or 3x(8x – 2 3y) seen then spoilt
11(b)[3]
7(3x + 2y)(3x – 2y) final answer [3]
B2 for (21x + 14y)(3x – 2y) or (3x + 2y)(21x – 14y) or 7(3x + 2y)(3x – 2y) seen then spoilt
or M1 for 7(9x2 – 4y2) or [...](3x + 2y)(3x – 2y)
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.