7x^2+140-700=0

Solution for 7x^2+140-700=0 equation:

Simplifying
7x2 + 140 + -700 = 0

Reorder the terms:
140 + -700 + 7x2 = 0

Combine like terms: 140 + -700 = -560
-560 + 7x2 = 0

Solving
-560 + 7x2 = 0

Solving for variable 'x'.

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

Add '560' to each side of the equation.
-560 + 560 + 7x2 = 0 + 560

Combine like terms: -560 + 560 = 0
0 + 7x2 = 0 + 560
7x2 = 0 + 560

Combine like terms: 0 + 560 = 560
7x2 = 560

Divide each side by '7'.
x2 = 80

Simplifying
x2 = 80

Take the square root of each side:
x = {-8.94427191, 8.94427191}