X^2+21x-540=0

Solution for X^2+21x-540=0 equation:

Simplifying
X2 + 21x + -540 = 0

Reorder the terms:
-540 + X2 + 21x = 0

Solving
-540 + X2 + 21x = 0

Solving for variable 'X'.

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

Add '540' to each side of the equation.
-540 + X2 + 540 + 21x = 0 + 540

Reorder the terms:
-540 + 540 + X2 + 21x = 0 + 540

Combine like terms: -540 + 540 = 0
0 + X2 + 21x = 0 + 540
X2 + 21x = 0 + 540

Combine like terms: 0 + 540 = 540
X2 + 21x = 540

Add '-21x' to each side of the equation.
X2 + 21x + -21x = 540 + -21x

Combine like terms: 21x + -21x = 0
X2 + 0 = 540 + -21x
X2 = 540 + -21x

Simplifying
X2 = 540 + -21x

Reorder the terms:
-540 + X2 + 21x = 540 + -21x + -540 + 21x

Reorder the terms:
-540 + X2 + 21x = 540 + -540 + -21x + 21x

Combine like terms: 540 + -540 = 0
-540 + X2 + 21x = 0 + -21x + 21x
-540 + X2 + 21x = -21x + 21x

Combine like terms: -21x + 21x = 0
-540 + X2 + 21x = 0

The solution to this equation could not be determined.