2x^2-15=1

Solution for 2x^2-15=1 equation:

Simplifying
2x2 + -15 = 1

Reorder the terms:
-15 + 2x2 = 1

Solving
-15 + 2x2 = 1

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + 2x2 = 1 + 15

Combine like terms: -15 + 15 = 0
0 + 2x2 = 1 + 15
2x2 = 1 + 15

Combine like terms: 1 + 15 = 16
2x2 = 16

Divide each side by '2'.
x2 = 8

Simplifying
x2 = 8

Take the square root of each side:
x = {-2.828427125, 2.828427125}