-12p^2+2p+20=-3

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Solution for -12p^2+2p+20=-3 equation:


Simplifying
-12p2 + 2p + 20 = -3

Reorder the terms:
20 + 2p + -12p2 = -3

Solving
20 + 2p + -12p2 = -3

Solving for variable 'p'.

Reorder the terms:
20 + 3 + 2p + -12p2 = -3 + 3

Combine like terms: 20 + 3 = 23
23 + 2p + -12p2 = -3 + 3

Combine like terms: -3 + 3 = 0
23 + 2p + -12p2 = 0

Begin completing the square.  Divide all terms by
-12 the coefficient of the squared term: 

Divide each side by '-12'.
-1.916666667 + -0.1666666667p + p2 = 0

Move the constant term to the right:

Add '1.916666667' to each side of the equation.
-1.916666667 + -0.1666666667p + 1.916666667 + p2 = 0 + 1.916666667

Reorder the terms:
-1.916666667 + 1.916666667 + -0.1666666667p + p2 = 0 + 1.916666667

Combine like terms: -1.916666667 + 1.916666667 = 0.000000000
0.000000000 + -0.1666666667p + p2 = 0 + 1.916666667
-0.1666666667p + p2 = 0 + 1.916666667

Combine like terms: 0 + 1.916666667 = 1.916666667
-0.1666666667p + p2 = 1.916666667

The p term is -0.1666666667p.  Take half its coefficient (-0.08333333335).
Square it (0.006944444447) and add it to both sides.

Add '0.006944444447' to each side of the equation.
-0.1666666667p + 0.006944444447 + p2 = 1.916666667 + 0.006944444447

Reorder the terms:
0.006944444447 + -0.1666666667p + p2 = 1.916666667 + 0.006944444447

Combine like terms: 1.916666667 + 0.006944444447 = 1.923611111447
0.006944444447 + -0.1666666667p + p2 = 1.923611111447

Factor a perfect square on the left side:
(p + -0.08333333335)(p + -0.08333333335) = 1.923611111447

Calculate the square root of the right side: 1.386943082

Break this problem into two subproblems by setting 
(p + -0.08333333335) equal to 1.386943082 and -1.386943082.

Subproblem 1

p + -0.08333333335 = 1.386943082 Simplifying p + -0.08333333335 = 1.386943082 Reorder the terms: -0.08333333335 + p = 1.386943082 Solving -0.08333333335 + p = 1.386943082 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '0.08333333335' to each side of the equation. -0.08333333335 + 0.08333333335 + p = 1.386943082 + 0.08333333335 Combine like terms: -0.08333333335 + 0.08333333335 = 0.00000000000 0.00000000000 + p = 1.386943082 + 0.08333333335 p = 1.386943082 + 0.08333333335 Combine like terms: 1.386943082 + 0.08333333335 = 1.47027641535 p = 1.47027641535 Simplifying p = 1.47027641535

Subproblem 2

p + -0.08333333335 = -1.386943082 Simplifying p + -0.08333333335 = -1.386943082 Reorder the terms: -0.08333333335 + p = -1.386943082 Solving -0.08333333335 + p = -1.386943082 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '0.08333333335' to each side of the equation. -0.08333333335 + 0.08333333335 + p = -1.386943082 + 0.08333333335 Combine like terms: -0.08333333335 + 0.08333333335 = 0.00000000000 0.00000000000 + p = -1.386943082 + 0.08333333335 p = -1.386943082 + 0.08333333335 Combine like terms: -1.386943082 + 0.08333333335 = -1.30360974865 p = -1.30360974865 Simplifying p = -1.30360974865

Solution

The solution to the problem is based on the solutions from the subproblems. p = {1.47027641535, -1.30360974865}

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