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Mathematics · May / June 2021 · Paper 22 · Question 20

0580

As printed in the paper

The question as text

Expand and simplify. ( )( )( ) x x x 2 2 5 3 - + + [3]

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2 x 3 + 7 x 2 − 7 x − 30 final answer [3]

B2 for unsimplified expansion with at most one error or for simplified four-term expression of correct form with three terms correct

or B1 for correct expansion of two brackets with at least three terms out of four correct

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