q^2+5q-32=0

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Solution for q^2+5q-32=0 equation:


Simplifying
q2 + 5q + -32 = 0

Reorder the terms:
-32 + 5q + q2 = 0

Solving
-32 + 5q + q2 = 0

Solving for variable 'q'.

Begin completing the square.

Move the constant term to the right:

Add '32' to each side of the equation.
-32 + 5q + 32 + q2 = 0 + 32

Reorder the terms:
-32 + 32 + 5q + q2 = 0 + 32

Combine like terms: -32 + 32 = 0
0 + 5q + q2 = 0 + 32
5q + q2 = 0 + 32

Combine like terms: 0 + 32 = 32
5q + q2 = 32

The q term is 5q.  Take half its coefficient (2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
5q + 6.25 + q2 = 32 + 6.25

Reorder the terms:
6.25 + 5q + q2 = 32 + 6.25

Combine like terms: 32 + 6.25 = 38.25
6.25 + 5q + q2 = 38.25

Factor a perfect square on the left side:
(q + 2.5)(q + 2.5) = 38.25

Calculate the square root of the right side: 6.184658438

Break this problem into two subproblems by setting 
(q + 2.5) equal to 6.184658438 and -6.184658438.

Subproblem 1

q + 2.5 = 6.184658438 Simplifying q + 2.5 = 6.184658438 Reorder the terms: 2.5 + q = 6.184658438 Solving 2.5 + q = 6.184658438 Solving for variable 'q'. Move all terms containing q to the left, all other terms to the right. Add '-2.5' to each side of the equation. 2.5 + -2.5 + q = 6.184658438 + -2.5 Combine like terms: 2.5 + -2.5 = 0.0 0.0 + q = 6.184658438 + -2.5 q = 6.184658438 + -2.5 Combine like terms: 6.184658438 + -2.5 = 3.684658438 q = 3.684658438 Simplifying q = 3.684658438

Subproblem 2

q + 2.5 = -6.184658438 Simplifying q + 2.5 = -6.184658438 Reorder the terms: 2.5 + q = -6.184658438 Solving 2.5 + q = -6.184658438 Solving for variable 'q'. Move all terms containing q to the left, all other terms to the right. Add '-2.5' to each side of the equation. 2.5 + -2.5 + q = -6.184658438 + -2.5 Combine like terms: 2.5 + -2.5 = 0.0 0.0 + q = -6.184658438 + -2.5 q = -6.184658438 + -2.5 Combine like terms: -6.184658438 + -2.5 = -8.684658438 q = -8.684658438 Simplifying q = -8.684658438

Solution

The solution to the problem is based on the solutions from the subproblems. q = {3.684658438, -8.684658438}

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