4x^2+8-77=00

Solution for 4x^2+8-77=00 equation:

Simplifying
4x2 + 8 + -77 = 0

Reorder the terms:
8 + -77 + 4x2 = 0

Combine like terms: 8 + -77 = -69
-69 + 4x2 = 0

Solving
-69 + 4x2 = 0

Solving for variable 'x'.

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

Add '69' to each side of the equation.
-69 + 69 + 4x2 = 0 + 69

Combine like terms: -69 + 69 = 0
0 + 4x2 = 0 + 69
4x2 = 0 + 69

Combine like terms: 0 + 69 = 69
4x2 = 69

Divide each side by '4'.
x2 = 17.25

Simplifying
x2 = 17.25

Take the square root of each side:
x = {-4.153311931, 4.153311931}