-3q^2+500q-13=

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Solution for -3q^2+500q-13= equation:


Simplifying
-3q2 + 500q + -13 = 0

Reorder the terms:
-13 + 500q + -3q2 = 0

Solving
-13 + 500q + -3q2 = 0

Solving for variable 'q'.

Begin completing the square.  Divide all terms by
-3 the coefficient of the squared term: 

Divide each side by '-3'.
4.333333333 + -166.6666667q + q2 = 0

Move the constant term to the right:

Add '-4.333333333' to each side of the equation.
4.333333333 + -166.6666667q + -4.333333333 + q2 = 0 + -4.333333333

Reorder the terms:
4.333333333 + -4.333333333 + -166.6666667q + q2 = 0 + -4.333333333

Combine like terms: 4.333333333 + -4.333333333 = 0.000000000
0.000000000 + -166.6666667q + q2 = 0 + -4.333333333
-166.6666667q + q2 = 0 + -4.333333333

Combine like terms: 0 + -4.333333333 = -4.333333333
-166.6666667q + q2 = -4.333333333

The q term is -166.6666667q.  Take half its coefficient (-83.33333335).
Square it (6944.444447) and add it to both sides.

Add '6944.444447' to each side of the equation.
-166.6666667q + 6944.444447 + q2 = -4.333333333 + 6944.444447

Reorder the terms:
6944.444447 + -166.6666667q + q2 = -4.333333333 + 6944.444447

Combine like terms: -4.333333333 + 6944.444447 = 6940.111113667
6944.444447 + -166.6666667q + q2 = 6940.111113667

Factor a perfect square on the left side:
(q + -83.33333335)(q + -83.33333335) = 6940.111113667

Calculate the square root of the right side: 83.307329291

Break this problem into two subproblems by setting 
(q + -83.33333335) equal to 83.307329291 and -83.307329291.

Subproblem 1

q + -83.33333335 = 83.307329291 Simplifying q + -83.33333335 = 83.307329291 Reorder the terms: -83.33333335 + q = 83.307329291 Solving -83.33333335 + q = 83.307329291 Solving for variable 'q'. Move all terms containing q to the left, all other terms to the right. Add '83.33333335' to each side of the equation. -83.33333335 + 83.33333335 + q = 83.307329291 + 83.33333335 Combine like terms: -83.33333335 + 83.33333335 = 0.00000000 0.00000000 + q = 83.307329291 + 83.33333335 q = 83.307329291 + 83.33333335 Combine like terms: 83.307329291 + 83.33333335 = 166.640662641 q = 166.640662641 Simplifying q = 166.640662641

Subproblem 2

q + -83.33333335 = -83.307329291 Simplifying q + -83.33333335 = -83.307329291 Reorder the terms: -83.33333335 + q = -83.307329291 Solving -83.33333335 + q = -83.307329291 Solving for variable 'q'. Move all terms containing q to the left, all other terms to the right. Add '83.33333335' to each side of the equation. -83.33333335 + 83.33333335 + q = -83.307329291 + 83.33333335 Combine like terms: -83.33333335 + 83.33333335 = 0.00000000 0.00000000 + q = -83.307329291 + 83.33333335 q = -83.307329291 + 83.33333335 Combine like terms: -83.307329291 + 83.33333335 = 0.026004059 q = 0.026004059 Simplifying q = 0.026004059

Solution

The solution to the problem is based on the solutions from the subproblems. q = {166.640662641, 0.026004059}

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