# SOLUTION: I can not find a category to put this under, but would someone help me please.Please show me step by step also. Thank You Factor the following trinomials completely. xsquared-1

Algebra ->  Algebra  -> Length-and-distance -> SOLUTION: I can not find a category to put this under, but would someone help me please.Please show me step by step also. Thank You Factor the following trinomials completely. xsquared-1      Log On

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 Click here to see ALL problems on Length-and-distance Question 83582: I can not find a category to put this under, but would someone help me please.Please show me step by step also. Thank You Factor the following trinomials completely. xsquared-11x-60Answer by stanbon(57307)   (Show Source): You can put this solution on YOUR website!Factor the following trinomials completely. xsquared-11x-60 -------------- x^2-11x-60 Think of two numbers whose product is -60 and whose sum is -11. The numbers are -15 and +4 Replace the middle term with -15x+4x to get: x^2-15x+4x-60 Factor the 1st two and the last two terms seperately: x(x-15)+4(x-15) Factor again: (x-15)(x+4) ================ Cheers, Stan H.