(2x)(2x)+9=59

Solution for (2x)(2x)+9=59 equation:

Simplifying
(2x)(2x) + 9 = 59

Remove parenthesis around (2x)
2x(2x) + 9 = 59

Remove parenthesis around (2x)
2x * 2x + 9 = 59

Reorder the terms for easier multiplication:
2 * 2x * x + 9 = 59

Multiply 2 * 2
4x * x + 9 = 59

Multiply x * x
4x2 + 9 = 59

Reorder the terms:
9 + 4x2 = 59

Solving
9 + 4x2 = 59

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 4x2 = 59 + -9

Combine like terms: 9 + -9 = 0
0 + 4x2 = 59 + -9
4x2 = 59 + -9

Combine like terms: 59 + -9 = 50
4x2 = 50

Divide each side by '4'.
x2 = 12.5

Simplifying
x2 = 12.5

Take the square root of each side:
x = {-3.535533906, 3.535533906}