13p^2-3p=4209

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Solution for 13p^2-3p=4209 equation:


Simplifying
13p2 + -3p = 4209

Reorder the terms:
-3p + 13p2 = 4209

Solving
-3p + 13p2 = 4209

Solving for variable 'p'.

Reorder the terms:
-4209 + -3p + 13p2 = 4209 + -4209

Combine like terms: 4209 + -4209 = 0
-4209 + -3p + 13p2 = 0

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

Divide each side by '13'.
-323.7692308 + -0.2307692308p + p2 = 0

Move the constant term to the right:

Add '323.7692308' to each side of the equation.
-323.7692308 + -0.2307692308p + 323.7692308 + p2 = 0 + 323.7692308

Reorder the terms:
-323.7692308 + 323.7692308 + -0.2307692308p + p2 = 0 + 323.7692308

Combine like terms: -323.7692308 + 323.7692308 = 0.0000000
0.0000000 + -0.2307692308p + p2 = 0 + 323.7692308
-0.2307692308p + p2 = 0 + 323.7692308

Combine like terms: 0 + 323.7692308 = 323.7692308
-0.2307692308p + p2 = 323.7692308

The p term is -0.2307692308p.  Take half its coefficient (-0.1153846154).
Square it (0.01331360947) and add it to both sides.

Add '0.01331360947' to each side of the equation.
-0.2307692308p + 0.01331360947 + p2 = 323.7692308 + 0.01331360947

Reorder the terms:
0.01331360947 + -0.2307692308p + p2 = 323.7692308 + 0.01331360947

Combine like terms: 323.7692308 + 0.01331360947 = 323.78254440947
0.01331360947 + -0.2307692308p + p2 = 323.78254440947

Factor a perfect square on the left side:
(p + -0.1153846154)(p + -0.1153846154) = 323.78254440947

Calculate the square root of the right side: 17.993958553

Break this problem into two subproblems by setting 
(p + -0.1153846154) equal to 17.993958553 and -17.993958553.

Subproblem 1

p + -0.1153846154 = 17.993958553 Simplifying p + -0.1153846154 = 17.993958553 Reorder the terms: -0.1153846154 + p = 17.993958553 Solving -0.1153846154 + p = 17.993958553 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '0.1153846154' to each side of the equation. -0.1153846154 + 0.1153846154 + p = 17.993958553 + 0.1153846154 Combine like terms: -0.1153846154 + 0.1153846154 = 0.0000000000 0.0000000000 + p = 17.993958553 + 0.1153846154 p = 17.993958553 + 0.1153846154 Combine like terms: 17.993958553 + 0.1153846154 = 18.1093431684 p = 18.1093431684 Simplifying p = 18.1093431684

Subproblem 2

p + -0.1153846154 = -17.993958553 Simplifying p + -0.1153846154 = -17.993958553 Reorder the terms: -0.1153846154 + p = -17.993958553 Solving -0.1153846154 + p = -17.993958553 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '0.1153846154' to each side of the equation. -0.1153846154 + 0.1153846154 + p = -17.993958553 + 0.1153846154 Combine like terms: -0.1153846154 + 0.1153846154 = 0.0000000000 0.0000000000 + p = -17.993958553 + 0.1153846154 p = -17.993958553 + 0.1153846154 Combine like terms: -17.993958553 + 0.1153846154 = -17.8785739376 p = -17.8785739376 Simplifying p = -17.8785739376

Solution

The solution to the problem is based on the solutions from the subproblems. p = {18.1093431684, -17.8785739376}

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