8x^2+55=77

Solution for 8x^2+55=77 equation:

Simplifying
8x2 + 55 = 77

Reorder the terms:
55 + 8x2 = 77

Solving
55 + 8x2 = 77

Solving for variable 'x'.

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

Add '-55' to each side of the equation.
55 + -55 + 8x2 = 77 + -55

Combine like terms: 55 + -55 = 0
0 + 8x2 = 77 + -55
8x2 = 77 + -55

Combine like terms: 77 + -55 = 22
8x2 = 22

Divide each side by '8'.
x2 = 2.75

Simplifying
x2 = 2.75

Take the square root of each side:
x = {-1.658312395, 1.658312395}