8x^2-100=700

Solution for 8x^2-100=700 equation:

Simplifying
8x2 + -100 = 700

Reorder the terms:
-100 + 8x2 = 700

Solving
-100 + 8x2 = 700

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 + 8x2 = 700 + 100

Combine like terms: -100 + 100 = 0
0 + 8x2 = 700 + 100
8x2 = 700 + 100

Combine like terms: 700 + 100 = 800
8x2 = 800

Divide each side by '8'.
x2 = 100

Simplifying
x2 = 100

Take the square root of each side:
x = {-10, 10}