X^2-9x-72=0

Solution for X^2-9x-72=0 equation:

Simplifying
X2 + -9x + -72 = 0

Reorder the terms:
-72 + X2 + -9x = 0

Solving
-72 + X2 + -9x = 0

Solving for variable 'X'.

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

Add '72' to each side of the equation.
-72 + X2 + 72 + -9x = 0 + 72

Reorder the terms:
-72 + 72 + X2 + -9x = 0 + 72

Combine like terms: -72 + 72 = 0
0 + X2 + -9x = 0 + 72
X2 + -9x = 0 + 72

Combine like terms: 0 + 72 = 72
X2 + -9x = 72

Add '9x' to each side of the equation.
X2 + -9x + 9x = 72 + 9x

Combine like terms: -9x + 9x = 0
X2 + 0 = 72 + 9x
X2 = 72 + 9x

Simplifying
X2 = 72 + 9x

Reorder the terms:
-72 + X2 + -9x = 72 + 9x + -72 + -9x

Reorder the terms:
-72 + X2 + -9x = 72 + -72 + 9x + -9x

Combine like terms: 72 + -72 = 0
-72 + X2 + -9x = 0 + 9x + -9x
-72 + X2 + -9x = 9x + -9x

Combine like terms: 9x + -9x = 0
-72 + X2 + -9x = 0

The solution to this equation could not be determined.