2q*q-118.5q+328.5=0

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Solution for 2q*q-118.5q+328.5=0 equation:


Simplifying
2q * q + -118.5q + 328.5 = 0

Multiply q * q
2q2 + -118.5q + 328.5 = 0

Reorder the terms:
328.5 + -118.5q + 2q2 = 0

Solving
328.5 + -118.5q + 2q2 = 0

Solving for variable 'q'.

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

Divide each side by '2'.
164.25 + -59.25q + q2 = 0

Move the constant term to the right:

Add '-164.25' to each side of the equation.
164.25 + -59.25q + -164.25 + q2 = 0 + -164.25

Reorder the terms:
164.25 + -164.25 + -59.25q + q2 = 0 + -164.25

Combine like terms: 164.25 + -164.25 = 0.00
0.00 + -59.25q + q2 = 0 + -164.25
-59.25q + q2 = 0 + -164.25

Combine like terms: 0 + -164.25 = -164.25
-59.25q + q2 = -164.25

The q term is -59.25q.  Take half its coefficient (-29.625).
Square it (877.640625) and add it to both sides.

Add '877.640625' to each side of the equation.
-59.25q + 877.640625 + q2 = -164.25 + 877.640625

Reorder the terms:
877.640625 + -59.25q + q2 = -164.25 + 877.640625

Combine like terms: -164.25 + 877.640625 = 713.390625
877.640625 + -59.25q + q2 = 713.390625

Factor a perfect square on the left side:
(q + -29.625)(q + -29.625) = 713.390625

Calculate the square root of the right side: 26.709373355

Break this problem into two subproblems by setting 
(q + -29.625) equal to 26.709373355 and -26.709373355.

Subproblem 1

q + -29.625 = 26.709373355 Simplifying q + -29.625 = 26.709373355 Reorder the terms: -29.625 + q = 26.709373355 Solving -29.625 + q = 26.709373355 Solving for variable 'q'. Move all terms containing q to the left, all other terms to the right. Add '29.625' to each side of the equation. -29.625 + 29.625 + q = 26.709373355 + 29.625 Combine like terms: -29.625 + 29.625 = 0.000 0.000 + q = 26.709373355 + 29.625 q = 26.709373355 + 29.625 Combine like terms: 26.709373355 + 29.625 = 56.334373355 q = 56.334373355 Simplifying q = 56.334373355

Subproblem 2

q + -29.625 = -26.709373355 Simplifying q + -29.625 = -26.709373355 Reorder the terms: -29.625 + q = -26.709373355 Solving -29.625 + q = -26.709373355 Solving for variable 'q'. Move all terms containing q to the left, all other terms to the right. Add '29.625' to each side of the equation. -29.625 + 29.625 + q = -26.709373355 + 29.625 Combine like terms: -29.625 + 29.625 = 0.000 0.000 + q = -26.709373355 + 29.625 q = -26.709373355 + 29.625 Combine like terms: -26.709373355 + 29.625 = 2.915626645 q = 2.915626645 Simplifying q = 2.915626645

Solution

The solution to the problem is based on the solutions from the subproblems. q = {56.334373355, 2.915626645}

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