SOLUTION: how do you do the following equation: x to the power of 3 minus 25x?

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Question 695270: how do you do the following equation: x to the power of 3 minus 25x?
Answer by Ave(106) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E3-25x=0 factor out x
x%28x%5E2-25%29=0 reverse foil
x%28x-5%29%28x%2B5%29=0 set each to 0
1.x=0
2.x-5=0
x=5
3.x+5=0
x=-5
{-5,0,5}