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Simplifying
2x * 2x + 5 = 36
Reorder the terms for easier multiplication:
2 * 2x * x + 5 = 36
Multiply 2 * 2
4x * x + 5 = 36
Multiply x * x
4x2 + 5 = 36
Reorder the terms:
5 + 4x2 = 36
Solving
5 + 4x2 = 36
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-5' to each side of the equation.
5 + -5 + 4x2 = 36 + -5
Combine like terms: 5 + -5 = 0
0 + 4x2 = 36 + -5
4x2 = 36 + -5
Combine like terms: 36 + -5 = 31
4x2 = 31
Divide each side by '4'.
x2 = 7.75
Simplifying
x2 = 7.75
Take the square root of each side:
x = {-2.783882181, 2.783882181}
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