1. х^3-2х^2-х-6=x^3-3x^2+x^2-3x+2x-6=x^2*(x-3)+x*(x-3)+2(x-3)=(x-3)*(x^2+x+2)
2. 2аб-3б-10а+15=b*(2a-3)-5(2a-3)=(2a-3)*(b-5)
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1. х^3-2х^2-х-6=x^3-3x^2+x^2-3x+2x-6=x^2*(x-3)+x*(x-3)+2(x-3)=(x-3)*(x^2+x+2)
2. 2аб-3б-10а+15=b*(2a-3)-5(2a-3)=(2a-3)*(b-5)