X^2-8=4

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Solution for X^2-8=4 equation: 


Simplifying
X2 + -8 = 4

Reorder the terms:
-8 + X2 = 4

Solving
-8 + X2 = 4

Solving for variable 'X'.

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

Add '8' to each side of the equation.
-8 + 8 + X2 = 4 + 8

Combine like terms: -8 + 8 = 0
0 + X2 = 4 + 8
X2 = 4 + 8

Combine like terms: 4 + 8 = 12
X2 = 12

Simplifying
X2 = 12

Take the square root of each side:
X = {-3.464101615, 3.464101615}

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