Автор - lnyatyanl

31.17
Помогитеее плиииз!!!

Ответ

Автор - korniichuk
1) (m-n)(m+n)-(m-n)=(m-n)(m+n+1)
2)(3x-2y)(3x+2y)-(3x-2y)=(3x-2y)(3x+2y+1)
3)x^2(x+3)-4(x+3)=(x+3)(x^2-4)
4)(9-3+8y)(9+3-8y)=(6+8y)(12-8y)=8(3+4y)(3-2y)
5)(x+1)(x+9)
6)(5-y)(6+y)
7)(3x-32)(3x+18)
8)(-68-5x)(60+5x)

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