=.5x^2-8x+35

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Solution for =.5x^2-8x+35 equation:


Simplifying
0 = 0.5x2 + -8x + 35

Reorder the terms:
0 = 35 + -8x + 0.5x2

Solving
0 = 35 + -8x + 0.5x2

Solving for variable 'x'.

Combine like terms: 0 + -35 = -35
-35 + 8x + -0.5x2 = 35 + -8x + 0.5x2 + -35 + 8x + -0.5x2

Reorder the terms:
-35 + 8x + -0.5x2 = 35 + -35 + -8x + 8x + 0.5x2 + -0.5x2

Combine like terms: 35 + -35 = 0
-35 + 8x + -0.5x2 = 0 + -8x + 8x + 0.5x2 + -0.5x2
-35 + 8x + -0.5x2 = -8x + 8x + 0.5x2 + -0.5x2

Combine like terms: -8x + 8x = 0
-35 + 8x + -0.5x2 = 0 + 0.5x2 + -0.5x2
-35 + 8x + -0.5x2 = 0.5x2 + -0.5x2

Combine like terms: 0.5x2 + -0.5x2 = 0.0
-35 + 8x + -0.5x2 = 0.0

Begin completing the square.  Divide all terms by
-0.5 the coefficient of the squared term: 

Divide each side by '-0.5'.
70 + -16x + x2 = 0

Move the constant term to the right:

Add '-70' to each side of the equation.
70 + -16x + -70 + x2 = 0 + -70

Reorder the terms:
70 + -70 + -16x + x2 = 0 + -70

Combine like terms: 70 + -70 = 0
0 + -16x + x2 = 0 + -70
-16x + x2 = 0 + -70

Combine like terms: 0 + -70 = -70
-16x + x2 = -70

The x term is -16x.  Take half its coefficient (-8).
Square it (64) and add it to both sides.

Add '64' to each side of the equation.
-16x + 64 + x2 = -70 + 64

Reorder the terms:
64 + -16x + x2 = -70 + 64

Combine like terms: -70 + 64 = -6
64 + -16x + x2 = -6

Factor a perfect square on the left side:
(x + -8)(x + -8) = -6

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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