2x*2x=84

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Solution for 2x*2x=84 equation: 


Simplifying
2x * 2x = 84

Reorder the terms for easier multiplication:
2 * 2x * x = 84

Multiply 2 * 2
4x * x = 84

Multiply x * x
4x2 = 84

Solving
4x2 = 84

Solving for variable 'x'.

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

Divide each side by '4'.
x2 = 21

Simplifying
x2 = 21

Take the square root of each side:
x = {-4.582575695, 4.582575695}

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