13-x^2=-2

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Solution for 13-x^2=-2 equation: 


Simplifying
13 + -1x2 = -2

Solving
13 + -1x2 = -2

Solving for variable 'x'.

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

Add '-13' to each side of the equation.
13 + -13 + -1x2 = -2 + -13

Combine like terms: 13 + -13 = 0
0 + -1x2 = -2 + -13
-1x2 = -2 + -13

Combine like terms: -2 + -13 = -15
-1x2 = -15

Divide each side by '-1'.
x2 = 15

Simplifying
x2 = 15

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

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