2x^2-7-1=4

Solution for 2x^2-7-1=4 equation:

Simplifying
2x2 + -7 + -1 = 4

Reorder the terms:
-7 + -1 + 2x2 = 4

Combine like terms: -7 + -1 = -8
-8 + 2x2 = 4

Solving
-8 + 2x2 = 4

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + 2x2 = 4 + 8

Combine like terms: -8 + 8 = 0
0 + 2x2 = 4 + 8
2x2 = 4 + 8

Combine like terms: 4 + 8 = 12
2x2 = 12

Divide each side by '2'.
x2 = 6

Simplifying
x2 = 6

Take the square root of each side:
x = {-2.449489743, 2.449489743}