2x^2-13-70=0

Solution for 2x^2-13-70=0 equation:

Simplifying
2x2 + -13 + -70 = 0

Reorder the terms:
-13 + -70 + 2x2 = 0

Combine like terms: -13 + -70 = -83
-83 + 2x2 = 0

Solving
-83 + 2x2 = 0

Solving for variable 'x'.

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

Add '83' to each side of the equation.
-83 + 83 + 2x2 = 0 + 83

Combine like terms: -83 + 83 = 0
0 + 2x2 = 0 + 83
2x2 = 0 + 83

Combine like terms: 0 + 83 = 83
2x2 = 83

Divide each side by '2'.
x2 = 41.5

Simplifying
x2 = 41.5

Take the square root of each side:
x = {-6.442049363, 6.442049363}