14=10+4q+0.5q^2

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Solution for 14=10+4q+0.5q^2 equation:


Simplifying
14 = 10 + 4q + 0.5q2

Solving
14 = 10 + 4q + 0.5q2

Solving for variable 'q'.

Combine like terms: 14 + -10 = 4
4 + -4q + -0.5q2 = 10 + 4q + 0.5q2 + -10 + -4q + -0.5q2

Reorder the terms:
4 + -4q + -0.5q2 = 10 + -10 + 4q + -4q + 0.5q2 + -0.5q2

Combine like terms: 10 + -10 = 0
4 + -4q + -0.5q2 = 0 + 4q + -4q + 0.5q2 + -0.5q2
4 + -4q + -0.5q2 = 4q + -4q + 0.5q2 + -0.5q2

Combine like terms: 4q + -4q = 0
4 + -4q + -0.5q2 = 0 + 0.5q2 + -0.5q2
4 + -4q + -0.5q2 = 0.5q2 + -0.5q2

Combine like terms: 0.5q2 + -0.5q2 = 0.0
4 + -4q + -0.5q2 = 0.0

Begin completing the square.  Divide all terms by
-0.5 the coefficient of the squared term: 

Divide each side by '-0.5'.
-8 + 8q + q2 = 0

Move the constant term to the right:

Add '8' to each side of the equation.
-8 + 8q + 8 + q2 = 0 + 8

Reorder the terms:
-8 + 8 + 8q + q2 = 0 + 8

Combine like terms: -8 + 8 = 0
0 + 8q + q2 = 0 + 8
8q + q2 = 0 + 8

Combine like terms: 0 + 8 = 8
8q + q2 = 8

The q term is 8q.  Take half its coefficient (4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
8q + 16 + q2 = 8 + 16

Reorder the terms:
16 + 8q + q2 = 8 + 16

Combine like terms: 8 + 16 = 24
16 + 8q + q2 = 24

Factor a perfect square on the left side:
(q + 4)(q + 4) = 24

Calculate the square root of the right side: 4.898979486

Break this problem into two subproblems by setting 
(q + 4) equal to 4.898979486 and -4.898979486.

Subproblem 1

q + 4 = 4.898979486 Simplifying q + 4 = 4.898979486 Reorder the terms: 4 + q = 4.898979486 Solving 4 + q = 4.898979486 Solving for variable 'q'. Move all terms containing q to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + q = 4.898979486 + -4 Combine like terms: 4 + -4 = 0 0 + q = 4.898979486 + -4 q = 4.898979486 + -4 Combine like terms: 4.898979486 + -4 = 0.898979486 q = 0.898979486 Simplifying q = 0.898979486

Subproblem 2

q + 4 = -4.898979486 Simplifying q + 4 = -4.898979486 Reorder the terms: 4 + q = -4.898979486 Solving 4 + q = -4.898979486 Solving for variable 'q'. Move all terms containing q to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + q = -4.898979486 + -4 Combine like terms: 4 + -4 = 0 0 + q = -4.898979486 + -4 q = -4.898979486 + -4 Combine like terms: -4.898979486 + -4 = -8.898979486 q = -8.898979486 Simplifying q = -8.898979486

Solution

The solution to the problem is based on the solutions from the subproblems. q = {0.898979486, -8.898979486}

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