-10x^2+50x^2-55x+23=0

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Solution for -10x^2+50x^2-55x+23=0 equation:


Simplifying
-10x2 + 50x2 + -55x + 23 = 0

Reorder the terms:
23 + -55x + -10x2 + 50x2 = 0

Combine like terms: -10x2 + 50x2 = 40x2
23 + -55x + 40x2 = 0

Solving
23 + -55x + 40x2 = 0

Solving for variable 'x'.

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

Divide each side by '40'.
0.575 + -1.375x + x2 = 0.0

Move the constant term to the right:

Add '-0.575' to each side of the equation.
0.575 + -1.375x + -0.575 + x2 = 0.0 + -0.575

Reorder the terms:
0.575 + -0.575 + -1.375x + x2 = 0.0 + -0.575

Combine like terms: 0.575 + -0.575 = 0.000
0.000 + -1.375x + x2 = 0.0 + -0.575
-1.375x + x2 = 0.0 + -0.575

Combine like terms: 0.0 + -0.575 = -0.575
-1.375x + x2 = -0.575

The x term is -1.375x.  Take half its coefficient (-0.6875).
Square it (0.47265625) and add it to both sides.

Add '0.47265625' to each side of the equation.
-1.375x + 0.47265625 + x2 = -0.575 + 0.47265625

Reorder the terms:
0.47265625 + -1.375x + x2 = -0.575 + 0.47265625

Combine like terms: -0.575 + 0.47265625 = -0.10234375
0.47265625 + -1.375x + x2 = -0.10234375

Factor a perfect square on the left side:
(x + -0.6875)(x + -0.6875) = -0.10234375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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