X^2-8x-21=9x-1

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Solution for X^2-8x-21=9x-1 equation:


Simplifying
X2 + -8x + -21 = 9x + -1

Reorder the terms:
-21 + X2 + -8x = 9x + -1

Reorder the terms:
-21 + X2 + -8x = -1 + 9x

Solving
-21 + X2 + -8x = -1 + 9x

Solving for variable 'X'.

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

Add '21' to each side of the equation.
-21 + X2 + 21 + -8x = -1 + 21 + 9x

Reorder the terms:
-21 + 21 + X2 + -8x = -1 + 21 + 9x

Combine like terms: -21 + 21 = 0
0 + X2 + -8x = -1 + 21 + 9x
X2 + -8x = -1 + 21 + 9x

Combine like terms: -1 + 21 = 20
X2 + -8x = 20 + 9x

Add '8x' to each side of the equation.
X2 + -8x + 8x = 20 + 9x + 8x

Combine like terms: -8x + 8x = 0
X2 + 0 = 20 + 9x + 8x
X2 = 20 + 9x + 8x

Combine like terms: 9x + 8x = 17x
X2 = 20 + 17x

Simplifying
X2 = 20 + 17x

Reorder the terms:
-20 + X2 + -17x = 20 + 17x + -20 + -17x

Reorder the terms:
-20 + X2 + -17x = 20 + -20 + 17x + -17x

Combine like terms: 20 + -20 = 0
-20 + X2 + -17x = 0 + 17x + -17x
-20 + X2 + -17x = 17x + -17x

Combine like terms: 17x + -17x = 0
-20 + X2 + -17x = 0

The solution to this equation could not be determined.

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