24-3*P^2+20*P=0

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Solution for 24-3*P^2+20*P=0 equation:


Simplifying
24 + -3P2 + 20P = 0

Reorder the terms:
24 + 20P + -3P2 = 0

Solving
24 + 20P + -3P2 = 0

Solving for variable 'P'.

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

Divide each side by '-3'.
-8 + -6.666666667P + P2 = 0

Move the constant term to the right:

Add '8' to each side of the equation.
-8 + -6.666666667P + 8 + P2 = 0 + 8

Reorder the terms:
-8 + 8 + -6.666666667P + P2 = 0 + 8

Combine like terms: -8 + 8 = 0
0 + -6.666666667P + P2 = 0 + 8
-6.666666667P + P2 = 0 + 8

Combine like terms: 0 + 8 = 8
-6.666666667P + P2 = 8

The P term is -6.666666667P.  Take half its coefficient (-3.333333334).
Square it (11.11111112) and add it to both sides.

Add '11.11111112' to each side of the equation.
-6.666666667P + 11.11111112 + P2 = 8 + 11.11111112

Reorder the terms:
11.11111112 + -6.666666667P + P2 = 8 + 11.11111112

Combine like terms: 8 + 11.11111112 = 19.11111112
11.11111112 + -6.666666667P + P2 = 19.11111112

Factor a perfect square on the left side:
(P + -3.333333334)(P + -3.333333334) = 19.11111112

Calculate the square root of the right side: 4.371625684

Break this problem into two subproblems by setting 
(P + -3.333333334) equal to 4.371625684 and -4.371625684.

Subproblem 1

P + -3.333333334 = 4.371625684 Simplifying P + -3.333333334 = 4.371625684 Reorder the terms: -3.333333334 + P = 4.371625684 Solving -3.333333334 + P = 4.371625684 Solving for variable 'P'. Move all terms containing P to the left, all other terms to the right. Add '3.333333334' to each side of the equation. -3.333333334 + 3.333333334 + P = 4.371625684 + 3.333333334 Combine like terms: -3.333333334 + 3.333333334 = 0.000000000 0.000000000 + P = 4.371625684 + 3.333333334 P = 4.371625684 + 3.333333334 Combine like terms: 4.371625684 + 3.333333334 = 7.704959018 P = 7.704959018 Simplifying P = 7.704959018

Subproblem 2

P + -3.333333334 = -4.371625684 Simplifying P + -3.333333334 = -4.371625684 Reorder the terms: -3.333333334 + P = -4.371625684 Solving -3.333333334 + P = -4.371625684 Solving for variable 'P'. Move all terms containing P to the left, all other terms to the right. Add '3.333333334' to each side of the equation. -3.333333334 + 3.333333334 + P = -4.371625684 + 3.333333334 Combine like terms: -3.333333334 + 3.333333334 = 0.000000000 0.000000000 + P = -4.371625684 + 3.333333334 P = -4.371625684 + 3.333333334 Combine like terms: -4.371625684 + 3.333333334 = -1.03829235 P = -1.03829235 Simplifying P = -1.03829235

Solution

The solution to the problem is based on the solutions from the subproblems. P = {7.704959018, -1.03829235}

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