0=64x^2-81

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Solution for 0=64x^2-81 equation: 


Simplifying
0 = 64x2 + -81

Reorder the terms:
0 = -81 + 64x2

Solving
0 = -81 + 64x2

Solving for variable 'x'.

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

Add '-64x2' to each side of the equation.
0 + -64x2 = -81 + 64x2 + -64x2
Remove the zero:
-64x2 = -81 + 64x2 + -64x2

Combine like terms: 64x2 + -64x2 = 0
-64x2 = -81 + 0
-64x2 = -81

Divide each side by '-64'.
x2 = 1.265625

Simplifying
x2 = 1.265625

Take the square root of each side:
x = {-1.125, 1.125}

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