7x^2-14-64=-8

Solution for 7x^2-14-64=-8 equation:

Simplifying
7x2 + -14 + -64 = -8

Reorder the terms:
-14 + -64 + 7x2 = -8

Combine like terms: -14 + -64 = -78
-78 + 7x2 = -8

Solving
-78 + 7x2 = -8

Solving for variable 'x'.

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

Add '78' to each side of the equation.
-78 + 78 + 7x2 = -8 + 78

Combine like terms: -78 + 78 = 0
0 + 7x2 = -8 + 78
7x2 = -8 + 78

Combine like terms: -8 + 78 = 70
7x2 = 70

Divide each side by '7'.
x2 = 10

Simplifying
x2 = 10

Take the square root of each side:
x = {-3.16227766, 3.16227766}