-3q^2+5q-12=0

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Solution for -3q^2+5q-12=0 equation:


Simplifying
-3q2 + 5q + -12 = 0

Reorder the terms:
-12 + 5q + -3q2 = 0

Solving
-12 + 5q + -3q2 = 0

Solving for variable 'q'.

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

Divide each side by '-3'.
4 + -1.666666667q + q2 = 0

Move the constant term to the right:

Add '-4' to each side of the equation.
4 + -1.666666667q + -4 + q2 = 0 + -4

Reorder the terms:
4 + -4 + -1.666666667q + q2 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -1.666666667q + q2 = 0 + -4
-1.666666667q + q2 = 0 + -4

Combine like terms: 0 + -4 = -4
-1.666666667q + q2 = -4

The q term is -1.666666667q.  Take half its coefficient (-0.8333333335).
Square it (0.6944444447) and add it to both sides.

Add '0.6944444447' to each side of the equation.
-1.666666667q + 0.6944444447 + q2 = -4 + 0.6944444447

Reorder the terms:
0.6944444447 + -1.666666667q + q2 = -4 + 0.6944444447

Combine like terms: -4 + 0.6944444447 = -3.3055555553
0.6944444447 + -1.666666667q + q2 = -3.3055555553

Factor a perfect square on the left side:
(q + -0.8333333335)(q + -0.8333333335) = -3.3055555553

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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