Предмет: Математика, автор: rybakovae16

плиз помогите ппжжжжжжжж СРОЧНО

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Автор ответа: xednay321

1

Ответ:

5a(a-b) ; (x+y)(a-2)

Пошаговое объяснение:

$5a^{2} -20ab=5a(a-b)\\ax+ay-2x-2y=a(x+y)-2(x+y)=(x+y)(a-2)$

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