X^2+9x-a=0

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

Simplifying
X2 + 9x + -1a = 0

Reorder the terms:
X2 + -1a + 9x = 0

Solving
X2 + -1a + 9x = 0

Solving for variable 'X'.

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

Add 'a' to each side of the equation.
X2 + -1a + a + 9x = 0 + a

Combine like terms: -1a + a = 0
X2 + 0 + 9x = 0 + a
X2 + 9x = 0 + a
Remove the zero:
X2 + 9x = a

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

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

Simplifying
X2 = a + -9x

Reorder the terms:
X2 + -1a + 9x = a + -1a + -9x + 9x

Combine like terms: a + -1a = 0
X2 + -1a + 9x = 0 + -9x + 9x
X2 + -1a + 9x = -9x + 9x

Combine like terms: -9x + 9x = 0
X2 + -1a + 9x = 0

The solution to this equation could not be determined.