SOLUTION: What are the real zeros of x^3+4x^2-9x-36.

SOLUTION: What are the real zeros of x^3+4x^2-9x-36.

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Question 1013741: What are the real zeros of x^3+4x^2-9x-36.

Answer by ikleyn(52781) (Show Source): You can put this solution on YOUR website!
.
What are the real zeros of x^3+4x^2-9x-36.
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Apply grouping:

= - =

- = = (x+3)*(x-3)*(x-4).

So, the roots are -3, 3 and 4.

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