1) = (b^2-b)^2
2) = a^2b(b-a^2)
3) = 5(a-b)+b(b-a)=5(a-b)-b(a-b)=(5-b)(a-b)
4) = a^2b(b^2+2ab+a^2)=a^2b(b+a)^2
5) = (b+4)^2-c^2=(b+4+c)(b+4-c)
1) = (x-3)(x+3)-3a(x-3)=(x-3)(x+3-3a)
2) = (x+4)(x+1)
3) =
под в скорее всего x^3+64=(x+4)(x^2-4x+16)
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Answers & Comments
1) = (b^2-b)^2
2) = a^2b(b-a^2)
3) = 5(a-b)+b(b-a)=5(a-b)-b(a-b)=(5-b)(a-b)
4) = a^2b(b^2+2ab+a^2)=a^2b(b+a)^2
5) = (b+4)^2-c^2=(b+4+c)(b+4-c)
1) = (x-3)(x+3)-3a(x-3)=(x-3)(x+3-3a)
2) = (x+4)(x+1)
3) =
под в скорее всего x^3+64=(x+4)(x^2-4x+16)