SOLUTION: -5x^3+15^2+20x
Algebra.Com
Question 519815: -5x^3+15^2+20x
Found 2 solutions by jim_thompson5910, oberobic:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
-5x^3+15x^2+20x
-5x(x^2-3x-4)
-5x(x-4)(x+1)
So -5x^3+15x^2+20x completely factors to -5x(x-4)(x+1)
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Answer by oberobic(2304) (Show Source): You can put this solution on YOUR website!
-5x^3+15^2+20x = -5x*(x^2 -3x +4) = -5x*(x-4)(x+1)
.
x = 0, -1, or 4
.
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