13-x^2=0

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Solution for 13-x^2=0 equation: 


Simplifying
13 + -1x2 = 0

Solving
13 + -1x2 = 0

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 = 0 + -13

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

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

Divide each side by '-1'.
x2 = 13

Simplifying
x2 = 13

Take the square root of each side:
x = {-3.605551275, 3.605551275}

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