8x-x^2=24

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Solution for 8x-x^2=24 equation:


Simplifying
8x + -1x2 = 24

Solving
8x + -1x2 = 24

Solving for variable 'x'.

Reorder the terms:
-24 + 8x + -1x2 = 24 + -24

Combine like terms: 24 + -24 = 0
-24 + 8x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
24 + -8x + x2 = 0

Move the constant term to the right:

Add '-24' to each side of the equation.
24 + -8x + -24 + x2 = 0 + -24

Reorder the terms:
24 + -24 + -8x + x2 = 0 + -24

Combine like terms: 24 + -24 = 0
0 + -8x + x2 = 0 + -24
-8x + x2 = 0 + -24

Combine like terms: 0 + -24 = -24
-8x + x2 = -24

The x term is -8x.  Take half its coefficient (-4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
-8x + 16 + x2 = -24 + 16

Reorder the terms:
16 + -8x + x2 = -24 + 16

Combine like terms: -24 + 16 = -8
16 + -8x + x2 = -8

Factor a perfect square on the left side:
(x + -4)(x + -4) = -8

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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