x^2=0.81

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Solution for x^2=0.81 equation: 


Simplifying
x2 = 0.81

Solving
x2 = 0.81

Solving for variable 'x'.

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

Simplifying
x2 = 0.81

Take the square root of each side:
x = {-0.9, 0.9}

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