x^2-57=7

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Solution for x^2-57=7 equation: 


Simplifying
x2 + -57 = 7

Reorder the terms:
-57 + x2 = 7

Solving
-57 + x2 = 7

Solving for variable 'x'.

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

Add '57' to each side of the equation.
-57 + 57 + x2 = 7 + 57

Combine like terms: -57 + 57 = 0
0 + x2 = 7 + 57
x2 = 7 + 57

Combine like terms: 7 + 57 = 64
x2 = 64

Simplifying
x2 = 64

Take the square root of each side:
x = {-8, 8}

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