2x*x=72

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Solution for 2x*x=72 equation: 


Simplifying
2x * x = 72

Multiply x * x
2x2 = 72

Solving
2x2 = 72

Solving for variable 'x'.

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

Divide each side by '2'.
x2 = 36

Simplifying
x2 = 36

Take the square root of each side:
x = {-6, 6}

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