2) a) =x^2+8x-4x-32=x^2+4x-32
b) =9x-x^2-45+5x=14x-x^2-45
в) = -3-3x-x-x^2=-3-4x-x^2=-x^2-4x-3
г) = -x^2-6x+10x+60= -x^2+4x+60
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2) a) =x^2+8x-4x-32=x^2+4x-32
b) =9x-x^2-45+5x=14x-x^2-45
в) = -3-3x-x-x^2=-3-4x-x^2=-x^2-4x-3
г) = -x^2-6x+10x+60= -x^2+4x+60