x=-2x^2+24x-100

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Solution for x=-2x^2+24x-100 equation:


Simplifying
x = -2x2 + 24x + -100

Reorder the terms:
x = -100 + 24x + -2x2

Solving
x = -100 + 24x + -2x2

Solving for variable 'x'.

Reorder the terms:
100 + x + -24x + 2x2 = -100 + 24x + -2x2 + 100 + -24x + 2x2

Combine like terms: x + -24x = -23x
100 + -23x + 2x2 = -100 + 24x + -2x2 + 100 + -24x + 2x2

Reorder the terms:
100 + -23x + 2x2 = -100 + 100 + 24x + -24x + -2x2 + 2x2

Combine like terms: -100 + 100 = 0
100 + -23x + 2x2 = 0 + 24x + -24x + -2x2 + 2x2
100 + -23x + 2x2 = 24x + -24x + -2x2 + 2x2

Combine like terms: 24x + -24x = 0
100 + -23x + 2x2 = 0 + -2x2 + 2x2
100 + -23x + 2x2 = -2x2 + 2x2

Combine like terms: -2x2 + 2x2 = 0
100 + -23x + 2x2 = 0

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

Divide each side by '2'.
50 + -11.5x + x2 = 0

Move the constant term to the right:

Add '-50' to each side of the equation.
50 + -11.5x + -50 + x2 = 0 + -50

Reorder the terms:
50 + -50 + -11.5x + x2 = 0 + -50

Combine like terms: 50 + -50 = 0
0 + -11.5x + x2 = 0 + -50
-11.5x + x2 = 0 + -50

Combine like terms: 0 + -50 = -50
-11.5x + x2 = -50

The x term is -11.5x.  Take half its coefficient (-5.75).
Square it (33.0625) and add it to both sides.

Add '33.0625' to each side of the equation.
-11.5x + 33.0625 + x2 = -50 + 33.0625

Reorder the terms:
33.0625 + -11.5x + x2 = -50 + 33.0625

Combine like terms: -50 + 33.0625 = -16.9375
33.0625 + -11.5x + x2 = -16.9375

Factor a perfect square on the left side:
(x + -5.75)(x + -5.75) = -16.9375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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