50=-x^2+12x-20

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Solution for 50=-x^2+12x-20 equation:


Simplifying
50 = -1x2 + 12x + -20

Reorder the terms:
50 = -20 + 12x + -1x2

Solving
50 = -20 + 12x + -1x2

Solving for variable 'x'.

Combine like terms: 50 + 20 = 70
70 + -12x + x2 = -20 + 12x + -1x2 + 20 + -12x + x2

Reorder the terms:
70 + -12x + x2 = -20 + 20 + 12x + -12x + -1x2 + x2

Combine like terms: -20 + 20 = 0
70 + -12x + x2 = 0 + 12x + -12x + -1x2 + x2
70 + -12x + x2 = 12x + -12x + -1x2 + x2

Combine like terms: 12x + -12x = 0
70 + -12x + x2 = 0 + -1x2 + x2
70 + -12x + x2 = -1x2 + x2

Combine like terms: -1x2 + x2 = 0
70 + -12x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-70' to each side of the equation.
70 + -12x + -70 + x2 = 0 + -70

Reorder the terms:
70 + -70 + -12x + x2 = 0 + -70

Combine like terms: 70 + -70 = 0
0 + -12x + x2 = 0 + -70
-12x + x2 = 0 + -70

Combine like terms: 0 + -70 = -70
-12x + x2 = -70

The x term is -12x.  Take half its coefficient (-6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
-12x + 36 + x2 = -70 + 36

Reorder the terms:
36 + -12x + x2 = -70 + 36

Combine like terms: -70 + 36 = -34
36 + -12x + x2 = -34

Factor a perfect square on the left side:
(x + -6)(x + -6) = -34

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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