-220=5-x^2

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Solution for -220=5-x^2 equation:


Simplifying
-220 = 5 + -1x2

Solving
-220 = 5 + -1x2

Solving for variable 'x'.

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

Add 'x2' to each side of the equation.
-220 + x2 = 5 + -1x2 + x2

Combine like terms: -1x2 + x2 = 0
-220 + x2 = 5 + 0
-220 + x2 = 5

Add '220' to each side of the equation.
-220 + 220 + x2 = 5 + 220

Combine like terms: -220 + 220 = 0
0 + x2 = 5 + 220
x2 = 5 + 220

Combine like terms: 5 + 220 = 225
x2 = 225

Simplifying
x2 = 225

Take the square root of each side:
x = {-15, 15}

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