Mathematics · May / June 2020 · Paper 21 · Question 21
0580
As printed in the paper
The question as text
Expand and simplify ( )( )( ) x x x 3 5 3 1 + - - . [3] Question 22 is printed on the next page.
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
3x3 – 7x2 – 43x + 15 [3]
B2 for correct expansion and simplification of two of the brackets
or B1 for correct expansion of two brackets with at least 3 terms correct
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