Предмет: Алгебра, автор: megatron250q

ребята очень прошу решите. даю высокий бал

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Автор ответа: janelidzemilana

1

14xy-28ay=2x-4a=2(x-2a); a(5-b)+7(5-b)=(5-b)(a+7); 7a-4b-y(4b-7a)=(4b-7a)(7a-y); xy-2x+4y-8=(xy-2x)(4y-8)=x(y-2)×4(y-2)=(y-2)(x-4);

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