9+2x^2=39

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Solution for 9+2x^2=39 equation: 


Simplifying
9 + 2x2 = 39

Solving
9 + 2x2 = 39

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 + 2x2 = 39 + -9

Combine like terms: 9 + -9 = 0
0 + 2x2 = 39 + -9
2x2 = 39 + -9

Combine like terms: 39 + -9 = 30
2x2 = 30

Divide each side by '2'.
x2 = 15

Simplifying
x2 = 15

Take the square root of each side:
x = {-3.872983346, 3.872983346}

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