16x(x)=81

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Solution for 16x(x)=81 equation: 


Simplifying
16x(x) = 81

Multiply x * x
16x2 = 81

Solving
16x2 = 81

Solving for variable 'x'.

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

Divide each side by '16'.
x2 = 5.0625

Simplifying
x2 = 5.0625

Take the square root of each side:
x = {-2.25, 2.25}

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