9x^2-18+7=0

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Solution for 9x^2-18+7=0 equation:


Simplifying
9x2 + -18 + 7 = 0

Reorder the terms:
-18 + 7 + 9x2 = 0

Combine like terms: -18 + 7 = -11
-11 + 9x2 = 0

Solving
-11 + 9x2 = 0

Solving for variable 'x'.

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

Add '11' to each side of the equation.
-11 + 11 + 9x2 = 0 + 11

Combine like terms: -11 + 11 = 0
0 + 9x2 = 0 + 11
9x2 = 0 + 11

Combine like terms: 0 + 11 = 11
9x2 = 11

Divide each side by '9'.
x2 = 1.222222222

Simplifying
x2 = 1.222222222

Take the square root of each side:
x = {-1.105541597, 1.105541597}

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