2x^2+19=91

Solution for 2x^2+19=91 equation:

Simplifying
2x2 + 19 = 91

Reorder the terms:
19 + 2x2 = 91

Solving
19 + 2x2 = 91

Solving for variable 'x'.

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

Add '-19' to each side of the equation.
19 + -19 + 2x2 = 91 + -19

Combine like terms: 19 + -19 = 0
0 + 2x2 = 91 + -19
2x2 = 91 + -19

Combine like terms: 91 + -19 = 72
2x2 = 72

Divide each side by '2'.
x2 = 36

Simplifying
x2 = 36

Take the square root of each side:
x = {-6, 6}