SOLUTION: Xsquared+ 3x= 180
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Question 662770: Xsquared+ 3x= 180
Answer by ReadingBoosters(3246) (Show Source): You can put this solution on YOUR website!
x^2 + 3x = 180
x^2 + 3x - 180 = 0
(x- )(x+ ) mixed signs due to + 3 and - 180
(x-12)(x+15)
x-12=0, so x=12
x+15=0, so x=-15
(-15,12)
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