-8x^2+16x-11=

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Solution for -8x^2+16x-11= equation:


Simplifying
-8x2 + 16x + -11 = 0

Reorder the terms:
-11 + 16x + -8x2 = 0

Solving
-11 + 16x + -8x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-8 the coefficient of the squared term: 

Divide each side by '-8'.
1.375 + -2x + x2 = 0

Move the constant term to the right:

Add '-1.375' to each side of the equation.
1.375 + -2x + -1.375 + x2 = 0 + -1.375

Reorder the terms:
1.375 + -1.375 + -2x + x2 = 0 + -1.375

Combine like terms: 1.375 + -1.375 = 0.000
0.000 + -2x + x2 = 0 + -1.375
-2x + x2 = 0 + -1.375

Combine like terms: 0 + -1.375 = -1.375
-2x + x2 = -1.375

The x term is -2x.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2x + 1 + x2 = -1.375 + 1

Reorder the terms:
1 + -2x + x2 = -1.375 + 1

Combine like terms: -1.375 + 1 = -0.375
1 + -2x + x2 = -0.375

Factor a perfect square on the left side:
(x + -1)(x + -1) = -0.375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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