Mathematics · May / June 2026 · Paper 22 · Question 19
0580
As printed in the paper
The question as text
Expand and simplify. ( )( )( ) x x x 3 1 4 2 È È Á [3]
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
3x3 + 7x2 – 22x – 8 final answer [5]
e.g. 3x3 – 6x2 + 12x2 – 24x + x2 – 2x + 4x – 8, or 3x3 + 3
B2 for correct expansion of three 13x2 + 4x – 6x2 – 26x – 8 brackets unsimplified or simplified four-term expression of correct Award
B2 for correct answer seen then spoilt. form with three terms correct.
or B1 for one pair of brackets 3x2 + 12x + x + 4 or x2 – 2x + 4x – 8 expanded with at least three terms or 3x2 – 6x + x – 2 out of four correct + 13x, – 5x and + 2x count as two terms correct If in a longer train of terms only allow if 4 out of 4 correct consecutive terms are given (or 3 out of 3 if terms in x are simplified).
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