X^2+8x-84=x

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Solution for X^2+8x-84=x equation:


Simplifying
X2 + 8x + -84 = x

Reorder the terms:
-84 + X2 + 8x = x

Solving
-84 + X2 + 8x = x

Solving for variable 'X'.

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

Add '84' to each side of the equation.
-84 + X2 + 84 + 8x = 84 + x

Reorder the terms:
-84 + 84 + X2 + 8x = 84 + x

Combine like terms: -84 + 84 = 0
0 + X2 + 8x = 84 + x
X2 + 8x = 84 + x

Add '-8x' to each side of the equation.
X2 + 8x + -8x = 84 + x + -8x

Combine like terms: 8x + -8x = 0
X2 + 0 = 84 + x + -8x
X2 = 84 + x + -8x

Combine like terms: x + -8x = -7x
X2 = 84 + -7x

Simplifying
X2 = 84 + -7x

Reorder the terms:
-84 + X2 + 7x = 84 + -7x + -84 + 7x

Reorder the terms:
-84 + X2 + 7x = 84 + -84 + -7x + 7x

Combine like terms: 84 + -84 = 0
-84 + X2 + 7x = 0 + -7x + 7x
-84 + X2 + 7x = -7x + 7x

Combine like terms: -7x + 7x = 0
-84 + X2 + 7x = 0

The solution to this equation could not be determined.

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