-3x^2=-11x+15

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Solution for -3x^2=-11x+15 equation:


Simplifying
-3x2 = -11x + 15

Reorder the terms:
-3x2 = 15 + -11x

Solving
-3x2 = 15 + -11x

Solving for variable 'x'.

Reorder the terms:
-15 + 11x + -3x2 = 15 + -11x + -15 + 11x

Reorder the terms:
-15 + 11x + -3x2 = 15 + -15 + -11x + 11x

Combine like terms: 15 + -15 = 0
-15 + 11x + -3x2 = 0 + -11x + 11x
-15 + 11x + -3x2 = -11x + 11x

Combine like terms: -11x + 11x = 0
-15 + 11x + -3x2 = 0

Begin completing the square.  Divide all terms by
-3 the coefficient of the squared term: 

Divide each side by '-3'.
5 + -3.666666667x + x2 = 0

Move the constant term to the right:

Add '-5' to each side of the equation.
5 + -3.666666667x + -5 + x2 = 0 + -5

Reorder the terms:
5 + -5 + -3.666666667x + x2 = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -3.666666667x + x2 = 0 + -5
-3.666666667x + x2 = 0 + -5

Combine like terms: 0 + -5 = -5
-3.666666667x + x2 = -5

The x term is -3.666666667x.  Take half its coefficient (-1.833333334).
Square it (3.361111114) and add it to both sides.

Add '3.361111114' to each side of the equation.
-3.666666667x + 3.361111114 + x2 = -5 + 3.361111114

Reorder the terms:
3.361111114 + -3.666666667x + x2 = -5 + 3.361111114

Combine like terms: -5 + 3.361111114 = -1.638888886
3.361111114 + -3.666666667x + x2 = -1.638888886

Factor a perfect square on the left side:
(x + -1.833333334)(x + -1.833333334) = -1.638888886

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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