SOLUTION: Solve the equation. Check your solutions. (Enter your answers as a comma-separated list.) x3 + 9x2 + 5x = -45

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Question 993141: Solve the equation. Check your solutions. (Enter your answers as a comma-separated list.)
x3 + 9x2 + 5x = -45

Answer by ikleyn(52781)   (Show Source): You can put this solution on YOUR website!
.
Solve the equation = .
----------------------------------------------------

= .

Apply the factorization method.  To make factorization, apply grouping:

= + = + = .

The only real root is  x = -9.

There is no other real roots.

Other complex roots are    and  -.


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