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Разложите на множители :
А.xz+xy+2z+2y = ...
Б.2ab-2ac+3b-3c = ...
В.5ax+10ay+bx+2by = ...
Г.3ac+6bc+7ax+14 bx = ...
Д.2ax+2xy-an-yn = ...
Е.x[tex] x^{2} [/tex]+xz+ax+az

a) xz+xy+2z+2y=x(z+y)+2(z+y)=(z+y)(x+2)b) ...=2a(b-c)+3(b-c)=(b-c)(2a+3)c)...=5a(x+2y)+b(x+2y)=(x+2y)(5a+b)d)...=3c(a+2b)+7x(a+2b)=(a+2b)(3c+7x)e)...=2x(a+y)-n(a+y)=(2x-n)(a+y)f)...=x(x+z)+a(x+z)=(x+z)(x+a)

А.xz+xy+2z+2y = ...x(z+y)+2(z+g) Б.2ab-2ac+3b-3c = ...2a(b-c)+3(b-c) В.5ax+10ay+bx+2by = ...5a(x+2y)+b(x+2y) Г.3ac+6bc+7ax+14 bx = ...3c(a+2b)+7x(a+2b) Д.2ax+2xy-an-yn = ...2x(a+y)-n(a+y)