xcubed-2x=21

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Solution for xcubed-2x=21 equation: 


Simplifying
xcubed + -2x = 21

Solving
bcdeux + -2x = 21

Solving for variable 'b'.

Move all terms containing b to the left, all other terms to the right.

Add '2x' to each side of the equation.
bcdeux + -2x + 2x = 21 + 2x

Combine like terms: -2x + 2x = 0
bcdeux + 0 = 21 + 2x
bcdeux = 21 + 2x

Divide each side by 'cdeux'.
b = 21c-1d-1e-1u-1x-1 + 2c-1d-1e-1u-1

Simplifying
b = 21c-1d-1e-1u-1x-1 + 2c-1d-1e-1u-1

Reorder the terms:
b = 2c-1d-1e-1u-1 + 21c-1d-1e-1u-1x-1

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