(2x)2-x-1=0

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Solution for (2x)2-x-1=0 equation:


Simplifying
(2x) * 2 + -1x + -1 = 0

Remove parenthesis around (2x)
2x * 2 + -1x + -1 = 0

Reorder the terms for easier multiplication:
2 * 2x + -1x + -1 = 0

Multiply 2 * 2
4x + -1x + -1 = 0

Reorder the terms:
-1 + 4x + -1x = 0

Combine like terms: 4x + -1x = 3x
-1 + 3x = 0

Solving
-1 + 3x = 0

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + 3x = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 3x = 0 + 1
3x = 0 + 1

Combine like terms: 0 + 1 = 1
3x = 1

Divide each side by '3'.
x = 0.3333333333

Simplifying
x = 0.3333333333

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