x^2+4-77=0

Solution for x^2+4-77=0 equation:

Simplifying
x2 + 4 + -77 = 0

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

Combine like terms: 4 + -77 = -73
-73 + x2 = 0

Solving
-73 + x2 = 0

Solving for variable 'x'.

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

Add '73' to each side of the equation.
-73 + 73 + x2 = 0 + 73

Combine like terms: -73 + 73 = 0
0 + x2 = 0 + 73
x2 = 0 + 73

Combine like terms: 0 + 73 = 73
x2 = 73

Simplifying
x2 = 73

Take the square root of each side:
x = {-8.544003745, 8.544003745}