(x)(x)-5=220

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Solution for (x)(x)-5=220 equation:


Simplifying
(x)(x) + -5 = 220

Multiply x * x
x2 + -5 = 220

Reorder the terms:
-5 + x2 = 220

Solving
-5 + x2 = 220

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 = 220 + 5

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

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

Simplifying
x2 = 225

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

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