x^2-90=50

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Solution for x^2-90=50 equation: 


Simplifying
x2 + -90 = 50

Reorder the terms:
-90 + x2 = 50

Solving
-90 + x2 = 50

Solving for variable 'x'.

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

Add '90' to each side of the equation.
-90 + 90 + x2 = 50 + 90

Combine like terms: -90 + 90 = 0
0 + x2 = 50 + 90
x2 = 50 + 90

Combine like terms: 50 + 90 = 140
x2 = 140

Simplifying
x2 = 140

Take the square root of each side:
x = {-11.832159566, 11.832159566}

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