= 0 ===> factor left side
x*(x-9) = 0.
The roots are x= 0 and x= 9.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website! You should say what you want to do.
For example, "Solve for x."
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Also, use ^ (Shift 6) for exponents.
eg, x^2, not x2
x2 might be a different variable from x.
Could be x, x1, x2, x3, etc.