X^2-56=140

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Solution for X^2-56=140 equation: 


Simplifying
X2 + -56 = 140

Reorder the terms:
-56 + X2 = 140

Solving
-56 + X2 = 140

Solving for variable 'X'.

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

Add '56' to each side of the equation.
-56 + 56 + X2 = 140 + 56

Combine like terms: -56 + 56 = 0
0 + X2 = 140 + 56
X2 = 140 + 56

Combine like terms: 140 + 56 = 196
X2 = 196

Simplifying
X2 = 196

Take the square root of each side:
X = {-14, 14}

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