(2x+4)(x^2-9)=0

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Solution for (2x+4)(x^2-9)=0 equation: 


Simplifying
(2x + 4)(x2 + -9) = 0

Reorder the terms:
(4 + 2x)(x2 + -9) = 0

Reorder the terms:
(4 + 2x)(-9 + x2) = 0

Multiply (4 + 2x) * (-9 + x2)
(4(-9 + x2) + 2x * (-9 + x2)) = 0
((-9 * 4 + x2 * 4) + 2x * (-9 + x2)) = 0
((-36 + 4x2) + 2x * (-9 + x2)) = 0
(-36 + 4x2 + (-9 * 2x + x2 * 2x)) = 0
(-36 + 4x2 + (-18x + 2x3)) = 0

Reorder the terms:
(-36 + -18x + 4x2 + 2x3) = 0
(-36 + -18x + 4x2 + 2x3) = 0

Solving
-36 + -18x + 4x2 + 2x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-18 + -9x + 2x2 + x3) = 0

Ignore the factor 2.

Subproblem 1
Set the factor '(-18 + -9x + 2x2 + x3)' equal to zero and attempt to solve:

Simplifying
-18 + -9x + 2x2 + x3 = 0

Solving
-18 + -9x + 2x2 + x3 = 0

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.

The solution to this equation could not be determined.

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