5+x*x=66

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Solution for 5+x*x=66 equation: 


Simplifying
5 + x * x = 66

Multiply x * x
5 + x2 = 66

Solving
5 + x2 = 66

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + -5 + x2 = 66 + -5

Combine like terms: 5 + -5 = 0
0 + x2 = 66 + -5
x2 = 66 + -5

Combine like terms: 66 + -5 = 61
x2 = 61

Simplifying
x2 = 61

Take the square root of each side:
x = {-7.810249676, 7.810249676}

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