15+2x^2=177

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Solution for 15+2x^2=177 equation: 


Simplifying
15 + 2x2 = 177

Solving
15 + 2x2 = 177

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + 2x2 = 177 + -15

Combine like terms: 15 + -15 = 0
0 + 2x2 = 177 + -15
2x2 = 177 + -15

Combine like terms: 177 + -15 = 162
2x2 = 162

Divide each side by '2'.
x2 = 81

Simplifying
x2 = 81

Take the square root of each side:
x = {-9, 9}

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