x^2-78=0

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Solution for x^2-78=0 equation: 


Simplifying
x2 + -78 = 0

Reorder the terms:
-78 + x2 = 0

Solving
-78 + x2 = 0

Solving for variable 'x'.

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

Add '78' to each side of the equation.
-78 + 78 + x2 = 0 + 78

Combine like terms: -78 + 78 = 0
0 + x2 = 0 + 78
x2 = 0 + 78

Combine like terms: 0 + 78 = 78
x2 = 78

Simplifying
x2 = 78

Take the square root of each side:
x = {-8.831760866, 8.831760866}

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