X^2-10=80

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Solution for X^2-10=80 equation: 


Simplifying
X2 + -10 = 80

Reorder the terms:
-10 + X2 = 80

Solving
-10 + X2 = 80

Solving for variable 'X'.

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

Add '10' to each side of the equation.
-10 + 10 + X2 = 80 + 10

Combine like terms: -10 + 10 = 0
0 + X2 = 80 + 10
X2 = 80 + 10

Combine like terms: 80 + 10 = 90
X2 = 90

Simplifying
X2 = 90

Take the square root of each side:
X = {-9.486832981, 9.486832981}

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