X^2-8x-78=0

Solution for X^2-8x-78=0 equation:

Simplifying
X2 + -8x + -78 = 0

Reorder the terms:
-78 + X2 + -8x = 0

Solving
-78 + X2 + -8x = 0

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 + X2 + 78 + -8x = 0 + 78

Reorder the terms:
-78 + 78 + X2 + -8x = 0 + 78

Combine like terms: -78 + 78 = 0
0 + X2 + -8x = 0 + 78
X2 + -8x = 0 + 78

Combine like terms: 0 + 78 = 78
X2 + -8x = 78

Add '8x' to each side of the equation.
X2 + -8x + 8x = 78 + 8x

Combine like terms: -8x + 8x = 0
X2 + 0 = 78 + 8x
X2 = 78 + 8x

Simplifying
X2 = 78 + 8x

Reorder the terms:
-78 + X2 + -8x = 78 + 8x + -78 + -8x

Reorder the terms:
-78 + X2 + -8x = 78 + -78 + 8x + -8x

Combine like terms: 78 + -78 = 0
-78 + X2 + -8x = 0 + 8x + -8x
-78 + X2 + -8x = 8x + -8x

Combine like terms: 8x + -8x = 0
-78 + X2 + -8x = 0

The solution to this equation could not be determined.