(3x)(x^2+6)=3x^3+18x

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Solution for (3x)(x^2+6)=3x^3+18x equation:


Simplifying
(3x)(x2 + 6) = 3x3 + 18x

Remove parenthesis around (3x)
3x(x2 + 6) = 3x3 + 18x

Reorder the terms:
3x(6 + x2) = 3x3 + 18x
(6 * 3x + x2 * 3x) = 3x3 + 18x
(18x + 3x3) = 3x3 + 18x

Reorder the terms:
18x + 3x3 = 18x + 3x3

Add '-18x' to each side of the equation.
18x + -18x + 3x3 = 18x + -18x + 3x3

Combine like terms: 18x + -18x = 0
0 + 3x3 = 18x + -18x + 3x3
3x3 = 18x + -18x + 3x3

Combine like terms: 18x + -18x = 0
3x3 = 0 + 3x3
3x3 = 3x3

Add '-3x3' to each side of the equation.
3x3 + -3x3 = 3x3 + -3x3

Combine like terms: 3x3 + -3x3 = 0
0 = 3x3 + -3x3

Combine like terms: 3x3 + -3x3 = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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