-9+7x^2=0

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


Simplifying
-9 + 7x2 = 0

Solving
-9 + 7x2 = 0

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 + 7x2 = 0 + 9

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

Combine like terms: 0 + 9 = 9
7x2 = 9

Divide each side by '7'.
x2 = 1.285714286

Simplifying
x2 = 1.285714286

Take the square root of each side:
x = {-1.133893419, 1.133893419}

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