Question

$- {(5 - x)}^{2}$
plz answer​

Answer 1

$- (5 - x) {}^{2} \\ = - (5 {}^{2} + x {}^{2} - 10x) \\ = - 25 - x {}^{2} + 10 \\ = - x {}^{2} + 10x - 25 \\ =$

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