Question 306875
x^2-25
6x+42
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6x^3-150x+42x^2-1,050
6x^3+42x^2-150x-1,050
6(x^3+7x^2-25x-175)
6(x+5)(x^2+2x-35)
6(x+5)(x+7)(x-5) ans.