2x^2+11-40=0

Solution for 2x^2+11-40=0 equation:

Simplifying
2x2 + 11 + -40 = 0

Reorder the terms:
11 + -40 + 2x2 = 0

Combine like terms: 11 + -40 = -29
-29 + 2x2 = 0

Solving
-29 + 2x2 = 0

Solving for variable 'x'.

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

Add '29' to each side of the equation.
-29 + 29 + 2x2 = 0 + 29

Combine like terms: -29 + 29 = 0
0 + 2x2 = 0 + 29
2x2 = 0 + 29

Combine like terms: 0 + 29 = 29
2x2 = 29

Divide each side by '2'.
x2 = 14.5

Simplifying
x2 = 14.5

Take the square root of each side:
x = {-3.807886553, 3.807886553}