3q^2-12q=-20

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Solution for 3q^2-12q=-20 equation:


Simplifying
3q2 + -12q = -20

Reorder the terms:
-12q + 3q2 = -20

Solving
-12q + 3q2 = -20

Solving for variable 'q'.

Reorder the terms:
20 + -12q + 3q2 = -20 + 20

Combine like terms: -20 + 20 = 0
20 + -12q + 3q2 = 0

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

Divide each side by '3'.
6.666666667 + -4q + q2 = 0

Move the constant term to the right:

Add '-6.666666667' to each side of the equation.
6.666666667 + -4q + -6.666666667 + q2 = 0 + -6.666666667

Reorder the terms:
6.666666667 + -6.666666667 + -4q + q2 = 0 + -6.666666667

Combine like terms: 6.666666667 + -6.666666667 = 0.000000000
0.000000000 + -4q + q2 = 0 + -6.666666667
-4q + q2 = 0 + -6.666666667

Combine like terms: 0 + -6.666666667 = -6.666666667
-4q + q2 = -6.666666667

The q term is -4q.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4q + 4 + q2 = -6.666666667 + 4

Reorder the terms:
4 + -4q + q2 = -6.666666667 + 4

Combine like terms: -6.666666667 + 4 = -2.666666667
4 + -4q + q2 = -2.666666667

Factor a perfect square on the left side:
(q + -2)(q + -2) = -2.666666667

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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