x^2-30=70

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Solution for x^2-30=70 equation: 


Simplifying
x2 + -30 = 70

Reorder the terms:
-30 + x2 = 70

Solving
-30 + x2 = 70

Solving for variable 'x'.

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

Add '30' to each side of the equation.
-30 + 30 + x2 = 70 + 30

Combine like terms: -30 + 30 = 0
0 + x2 = 70 + 30
x2 = 70 + 30

Combine like terms: 70 + 30 = 100
x2 = 100

Simplifying
x2 = 100

Take the square root of each side:
x = {-10, 10}

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