Ответ:
Объяснение:
-10x² - 7x +3=-(10x²+7x-3)=-(10x²+7x+3x-3x-3)=-(10x²+10x-3x-3)=
=-(10x*(x+1)-3*(x+1)=-(x+1)*(10x-3)=(x+1)*(3-10x).
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Ответ:
Объяснение:
-10x² - 7x +3=-(10x²+7x-3)=-(10x²+7x+3x-3x-3)=-(10x²+10x-3x-3)=
=-(10x*(x+1)-3*(x+1)=-(x+1)*(10x-3)=(x+1)*(3-10x).