8x^2=648

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Solution for 8x^2=648 equation: 


Simplifying
8x2 = 648

Solving
8x2 = 648

Solving for variable 'x'.

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

Divide each side by '8'.
x2 = 81

Simplifying
x2 = 81

Take the square root of each side:
x = {-9, 9}

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