X^2+8x-9=7

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Solution for X^2+8x-9=7 equation: 


Simplifying
X2 + 8x + -9 = 7

Reorder the terms:
-9 + X2 + 8x = 7

Solving
-9 + X2 + 8x = 7

Solving for variable 'X'.

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

Add '9' to each side of the equation.
-9 + X2 + 9 + 8x = 7 + 9

Reorder the terms:
-9 + 9 + X2 + 8x = 7 + 9

Combine like terms: -9 + 9 = 0
0 + X2 + 8x = 7 + 9
X2 + 8x = 7 + 9

Combine like terms: 7 + 9 = 16
X2 + 8x = 16

Add '-8x' to each side of the equation.
X2 + 8x + -8x = 16 + -8x

Combine like terms: 8x + -8x = 0
X2 + 0 = 16 + -8x
X2 = 16 + -8x

Simplifying
X2 = 16 + -8x

Reorder the terms:
-16 + X2 + 8x = 16 + -8x + -16 + 8x

Reorder the terms:
-16 + X2 + 8x = 16 + -16 + -8x + 8x

Combine like terms: 16 + -16 = 0
-16 + X2 + 8x = 0 + -8x + 8x
-16 + X2 + 8x = -8x + 8x

Combine like terms: -8x + 8x = 0
-16 + X2 + 8x = 0

The solution to this equation could not be determined.

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