2x^3-81=0

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Solution for 2x^3-81=0 equation:


Simplifying
2x3 + -81 = 0

Reorder the terms:
-81 + 2x3 = 0

Solving
-81 + 2x3 = 0

Solving for variable 'x'.

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

Add '81' to each side of the equation.
-81 + 81 + 2x3 = 0 + 81

Combine like terms: -81 + 81 = 0
0 + 2x3 = 0 + 81
2x3 = 0 + 81

Combine like terms: 0 + 81 = 81
2x3 = 81

Divide each side by '2'.
x3 = 40.5

Simplifying
x3 = 40.5

Reorder the terms:
-40.5 + x3 = 40.5 + -40.5

Combine like terms: 40.5 + -40.5 = 0.0
-40.5 + x3 = 0.0

The solution to this equation could not be determined.

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