2x^2-140=-19

Solution for 2x^2-140=-19 equation:

Simplifying
2x2 + -140 = -19

Reorder the terms:
-140 + 2x2 = -19

Solving
-140 + 2x2 = -19

Solving for variable 'x'.

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

Add '140' to each side of the equation.
-140 + 140 + 2x2 = -19 + 140

Combine like terms: -140 + 140 = 0
0 + 2x2 = -19 + 140
2x2 = -19 + 140

Combine like terms: -19 + 140 = 121
2x2 = 121

Divide each side by '2'.
x2 = 60.5

Simplifying
x2 = 60.5

Take the square root of each side:
x = {-7.778174593, 7.778174593}