0=5p^2+27p-12

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Solution for 0=5p^2+27p-12 equation:


Simplifying
0 = 5p2 + 27p + -12

Reorder the terms:
0 = -12 + 27p + 5p2

Solving
0 = -12 + 27p + 5p2

Solving for variable 'p'.

Combine like terms: 0 + 12 = 12
12 + -27p + -5p2 = -12 + 27p + 5p2 + 12 + -27p + -5p2

Reorder the terms:
12 + -27p + -5p2 = -12 + 12 + 27p + -27p + 5p2 + -5p2

Combine like terms: -12 + 12 = 0
12 + -27p + -5p2 = 0 + 27p + -27p + 5p2 + -5p2
12 + -27p + -5p2 = 27p + -27p + 5p2 + -5p2

Combine like terms: 27p + -27p = 0
12 + -27p + -5p2 = 0 + 5p2 + -5p2
12 + -27p + -5p2 = 5p2 + -5p2

Combine like terms: 5p2 + -5p2 = 0
12 + -27p + -5p2 = 0

Begin completing the square.  Divide all terms by
-5 the coefficient of the squared term: 

Divide each side by '-5'.
-2.4 + 5.4p + p2 = 0

Move the constant term to the right:

Add '2.4' to each side of the equation.
-2.4 + 5.4p + 2.4 + p2 = 0 + 2.4

Reorder the terms:
-2.4 + 2.4 + 5.4p + p2 = 0 + 2.4

Combine like terms: -2.4 + 2.4 = 0.0
0.0 + 5.4p + p2 = 0 + 2.4
5.4p + p2 = 0 + 2.4

Combine like terms: 0 + 2.4 = 2.4
5.4p + p2 = 2.4

The p term is 5.4p.  Take half its coefficient (2.7).
Square it (7.29) and add it to both sides.

Add '7.29' to each side of the equation.
5.4p + 7.29 + p2 = 2.4 + 7.29

Reorder the terms:
7.29 + 5.4p + p2 = 2.4 + 7.29

Combine like terms: 2.4 + 7.29 = 9.69
7.29 + 5.4p + p2 = 9.69

Factor a perfect square on the left side:
(p + 2.7)(p + 2.7) = 9.69

Calculate the square root of the right side: 3.112876483

Break this problem into two subproblems by setting 
(p + 2.7) equal to 3.112876483 and -3.112876483.

Subproblem 1

p + 2.7 = 3.112876483 Simplifying p + 2.7 = 3.112876483 Reorder the terms: 2.7 + p = 3.112876483 Solving 2.7 + p = 3.112876483 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-2.7' to each side of the equation. 2.7 + -2.7 + p = 3.112876483 + -2.7 Combine like terms: 2.7 + -2.7 = 0.0 0.0 + p = 3.112876483 + -2.7 p = 3.112876483 + -2.7 Combine like terms: 3.112876483 + -2.7 = 0.412876483 p = 0.412876483 Simplifying p = 0.412876483

Subproblem 2

p + 2.7 = -3.112876483 Simplifying p + 2.7 = -3.112876483 Reorder the terms: 2.7 + p = -3.112876483 Solving 2.7 + p = -3.112876483 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-2.7' to each side of the equation. 2.7 + -2.7 + p = -3.112876483 + -2.7 Combine like terms: 2.7 + -2.7 = 0.0 0.0 + p = -3.112876483 + -2.7 p = -3.112876483 + -2.7 Combine like terms: -3.112876483 + -2.7 = -5.812876483 p = -5.812876483 Simplifying p = -5.812876483

Solution

The solution to the problem is based on the solutions from the subproblems. p = {0.412876483, -5.812876483}

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