2x*x*0.5=81

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Solution for 2x*x*0.5=81 equation: 


Simplifying
2x * x * 0.5 = 81

Reorder the terms for easier multiplication:
2 * 0.5x * x = 81

Multiply 2 * 0.5
1x * x = 81

Multiply x * x
1x2 = 81

Solving
1x2 = 81

Solving for variable 'x'.

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

Divide each side by '1'.
x2 = 81

Simplifying
x2 = 81

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

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