9x^2-2=-1

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Solution for 9x^2-2=-1 equation:


Simplifying
9x2 + -2 = -1

Reorder the terms:
-2 + 9x2 = -1

Solving
-2 + 9x2 = -1

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + 9x2 = -1 + 2

Combine like terms: -2 + 2 = 0
0 + 9x2 = -1 + 2
9x2 = -1 + 2

Combine like terms: -1 + 2 = 1
9x2 = 1

Divide each side by '9'.
x2 = 0.1111111111

Simplifying
x2 = 0.1111111111

Take the square root of each side:
x = {-0.333333333, 0.333333333}

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