q^2-30q+24=0

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Solution for q^2-30q+24=0 equation:


Simplifying
q2 + -30q + 24 = 0

Reorder the terms:
24 + -30q + q2 = 0

Solving
24 + -30q + q2 = 0

Solving for variable 'q'.

Begin completing the square.

Move the constant term to the right:

Add '-24' to each side of the equation.
24 + -30q + -24 + q2 = 0 + -24

Reorder the terms:
24 + -24 + -30q + q2 = 0 + -24

Combine like terms: 24 + -24 = 0
0 + -30q + q2 = 0 + -24
-30q + q2 = 0 + -24

Combine like terms: 0 + -24 = -24
-30q + q2 = -24

The q term is -30q.  Take half its coefficient (-15).
Square it (225) and add it to both sides.

Add '225' to each side of the equation.
-30q + 225 + q2 = -24 + 225

Reorder the terms:
225 + -30q + q2 = -24 + 225

Combine like terms: -24 + 225 = 201
225 + -30q + q2 = 201

Factor a perfect square on the left side:
(q + -15)(q + -15) = 201

Calculate the square root of the right side: 14.177446879

Break this problem into two subproblems by setting 
(q + -15) equal to 14.177446879 and -14.177446879.

Subproblem 1

q + -15 = 14.177446879 Simplifying q + -15 = 14.177446879 Reorder the terms: -15 + q = 14.177446879 Solving -15 + q = 14.177446879 Solving for variable 'q'. Move all terms containing q to the left, all other terms to the right. Add '15' to each side of the equation. -15 + 15 + q = 14.177446879 + 15 Combine like terms: -15 + 15 = 0 0 + q = 14.177446879 + 15 q = 14.177446879 + 15 Combine like terms: 14.177446879 + 15 = 29.177446879 q = 29.177446879 Simplifying q = 29.177446879

Subproblem 2

q + -15 = -14.177446879 Simplifying q + -15 = -14.177446879 Reorder the terms: -15 + q = -14.177446879 Solving -15 + q = -14.177446879 Solving for variable 'q'. Move all terms containing q to the left, all other terms to the right. Add '15' to each side of the equation. -15 + 15 + q = -14.177446879 + 15 Combine like terms: -15 + 15 = 0 0 + q = -14.177446879 + 15 q = -14.177446879 + 15 Combine like terms: -14.177446879 + 15 = 0.822553121 q = 0.822553121 Simplifying q = 0.822553121

Solution

The solution to the problem is based on the solutions from the subproblems. q = {29.177446879, 0.822553121}

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