Question

ПОМОГИТЕ УМОЛЯЮ!!!!!!!!​

Answer 1

Ответ:

Объяснение:

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Answer 2

$\displaystyle\bf\\64-*+b^{2} =8^{2} -\underbrace{2\cdot 8\cdot b}_{16b}+b^{2}= 64-\boxed{16b}+b^{2} =(8-b)^{2} \\\\Otvet: \ 16b$