(x+2)(x^2)=21

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Solution for (x+2)(x^2)=21 equation: 


Simplifying
(x + 2)(x2) = 21

Reorder the terms:
(2 + x)(x2) = 21

Reorder the terms for easier multiplication:
x2(2 + x) = 21
(2 * x2 + x * x2) = 21
(2x2 + x3) = 21

Solving
2x2 + x3 = 21

Solving for variable 'x'.

Reorder the terms:
-21 + 2x2 + x3 = 21 + -21

Combine like terms: 21 + -21 = 0
-21 + 2x2 + x3 = 0

The solution to this equation could not be determined.

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