2x^2-100=69

Solution for 2x^2-100=69 equation:

Simplifying
2x2 + -100 = 69

Reorder the terms:
-100 + 2x2 = 69

Solving
-100 + 2x2 = 69

Solving for variable 'x'.

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

Add '100' to each side of the equation.
-100 + 100 + 2x2 = 69 + 100

Combine like terms: -100 + 100 = 0
0 + 2x2 = 69 + 100
2x2 = 69 + 100

Combine like terms: 69 + 100 = 169
2x2 = 169

Divide each side by '2'.
x2 = 84.5

Simplifying
x2 = 84.5

Take the square root of each side:
x = {-9.192388155, 9.192388155}