9x^2+9=12

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Solution for 9x^2+9=12 equation:


Simplifying
9x2 + 9 = 12

Reorder the terms:
9 + 9x2 = 12

Solving
9 + 9x2 = 12

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 9x2 = 12 + -9

Combine like terms: 9 + -9 = 0
0 + 9x2 = 12 + -9
9x2 = 12 + -9

Combine like terms: 12 + -9 = 3
9x2 = 3

Divide each side by '9'.
x2 = 0.3333333333

Simplifying
x2 = 0.3333333333

Take the square root of each side:
x = {-0.577350269, 0.577350269}

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