SOLUTION: factor x^3-9x^2-16x+144

Question 398704: factor x^3-9x^2-16x+144
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
grouping ___ (x^3 - 9x^2) - (16x - 144)

factoring ___ x^2(x - 9) - 16(x - 9)

rearranging ___ (x^2 - 16)(x - 9)

factoring (difference of squares) ___ (x + 4)(x - 4)(x - 9)
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