0=9x^2-64

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Solution for 0=9x^2-64 equation: 


Simplifying
0 = 9x2 + -64

Reorder the terms:
0 = -64 + 9x2

Solving
0 = -64 + 9x2

Solving for variable 'x'.

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

Add '-9x2' to each side of the equation.
0 + -9x2 = -64 + 9x2 + -9x2
Remove the zero:
-9x2 = -64 + 9x2 + -9x2

Combine like terms: 9x2 + -9x2 = 0
-9x2 = -64 + 0
-9x2 = -64

Divide each side by '-9'.
x2 = 7.111111111

Simplifying
x2 = 7.111111111

Take the square root of each side:
x = {-2.666666667, 2.666666667}

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