SOLUTION: Where cross x-axis or touches x-axis in problem? The problem is 9(x-5)(x+2)^3

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Question 1074233: Where cross x-axis or touches x-axis in problem? The problem is 9(x-5)(x+2)^3
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
Where? At the roots, or for x values which make 9%28x-5%29%28x%2B2%29%5E3=0. The expression is already given to you in factored form. 

Roots are  -2 and +5.

Answer by ikleyn(52803) About Me  (Show Source):
You can put this solution on YOUR website!
.
Cross at x = 5 and x = -2