x(x-4)=x^2+5x+8

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Solution for x(x-4)=x^2+5x+8 equation:


Simplifying
x(x + -4) = x2 + 5x + 8

Reorder the terms:
x(-4 + x) = x2 + 5x + 8
(-4 * x + x * x) = x2 + 5x + 8
(-4x + x2) = x2 + 5x + 8

Reorder the terms:
-4x + x2 = 8 + 5x + x2

Add '-1x2' to each side of the equation.
-4x + x2 + -1x2 = 8 + 5x + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-4x + 0 = 8 + 5x + x2 + -1x2
-4x = 8 + 5x + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-4x = 8 + 5x + 0
-4x = 8 + 5x

Solving
-4x = 8 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
-4x + -5x = 8 + 5x + -5x

Combine like terms: -4x + -5x = -9x
-9x = 8 + 5x + -5x

Combine like terms: 5x + -5x = 0
-9x = 8 + 0
-9x = 8

Divide each side by '-9'.
x = -0.8888888889

Simplifying
x = -0.8888888889

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