2x^2-31=1

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Solution for 2x^2-31=1 equation: 


Simplifying
2x2 + -31 = 1

Reorder the terms:
-31 + 2x2 = 1

Solving
-31 + 2x2 = 1

Solving for variable 'x'.

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

Add '31' to each side of the equation.
-31 + 31 + 2x2 = 1 + 31

Combine like terms: -31 + 31 = 0
0 + 2x2 = 1 + 31
2x2 = 1 + 31

Combine like terms: 1 + 31 = 32
2x2 = 32

Divide each side by '2'.
x2 = 16

Simplifying
x2 = 16

Take the square root of each side:
x = {-4, 4}

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