q^2-24q-43=0

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Solution for q^2-24q-43=0 equation:


Simplifying
q2 + -24q + -43 = 0

Reorder the terms:
-43 + -24q + q2 = 0

Solving
-43 + -24q + q2 = 0

Solving for variable 'q'.

Begin completing the square.

Move the constant term to the right:

Add '43' to each side of the equation.
-43 + -24q + 43 + q2 = 0 + 43

Reorder the terms:
-43 + 43 + -24q + q2 = 0 + 43

Combine like terms: -43 + 43 = 0
0 + -24q + q2 = 0 + 43
-24q + q2 = 0 + 43

Combine like terms: 0 + 43 = 43
-24q + q2 = 43

The q term is -24q.  Take half its coefficient (-12).
Square it (144) and add it to both sides.

Add '144' to each side of the equation.
-24q + 144 + q2 = 43 + 144

Reorder the terms:
144 + -24q + q2 = 43 + 144

Combine like terms: 43 + 144 = 187
144 + -24q + q2 = 187

Factor a perfect square on the left side:
(q + -12)(q + -12) = 187

Calculate the square root of the right side: 13.674794331

Break this problem into two subproblems by setting 
(q + -12) equal to 13.674794331 and -13.674794331.

Subproblem 1

q + -12 = 13.674794331 Simplifying q + -12 = 13.674794331 Reorder the terms: -12 + q = 13.674794331 Solving -12 + q = 13.674794331 Solving for variable 'q'. Move all terms containing q to the left, all other terms to the right. Add '12' to each side of the equation. -12 + 12 + q = 13.674794331 + 12 Combine like terms: -12 + 12 = 0 0 + q = 13.674794331 + 12 q = 13.674794331 + 12 Combine like terms: 13.674794331 + 12 = 25.674794331 q = 25.674794331 Simplifying q = 25.674794331

Subproblem 2

q + -12 = -13.674794331 Simplifying q + -12 = -13.674794331 Reorder the terms: -12 + q = -13.674794331 Solving -12 + q = -13.674794331 Solving for variable 'q'. Move all terms containing q to the left, all other terms to the right. Add '12' to each side of the equation. -12 + 12 + q = -13.674794331 + 12 Combine like terms: -12 + 12 = 0 0 + q = -13.674794331 + 12 q = -13.674794331 + 12 Combine like terms: -13.674794331 + 12 = -1.674794331 q = -1.674794331 Simplifying q = -1.674794331

Solution

The solution to the problem is based on the solutions from the subproblems. q = {25.674794331, -1.674794331}

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