x*x=85

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Solution for x*x=85 equation: 


Simplifying
x * x = 85

Multiply x * x
x2 = 85

Solving
x2 = 85

Solving for variable 'x'.

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

Simplifying
x2 = 85

Take the square root of each side:
x = {-9.219544457, 9.219544457}

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