x*x=441

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Solution for x*x=441 equation: 


Simplifying
x * x = 441

Multiply x * x
x2 = 441

Solving
x2 = 441

Solving for variable 'x'.

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

Simplifying
x2 = 441

Take the square root of each side:
x = {-21, 21}

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