q^2+4q+12=0

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Solution for q^2+4q+12=0 equation:


Simplifying
q2 + 4q + 12 = 0

Reorder the terms:
12 + 4q + q2 = 0

Solving
12 + 4q + q2 = 0

Solving for variable 'q'.

Begin completing the square.

Move the constant term to the right:

Add '-12' to each side of the equation.
12 + 4q + -12 + q2 = 0 + -12

Reorder the terms:
12 + -12 + 4q + q2 = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 4q + q2 = 0 + -12
4q + q2 = 0 + -12

Combine like terms: 0 + -12 = -12
4q + q2 = -12

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 = -12 + 4

Reorder the terms:
4 + 4q + q2 = -12 + 4

Combine like terms: -12 + 4 = -8
4 + 4q + q2 = -8

Factor a perfect square on the left side:
(q + 2)(q + 2) = -8

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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