3p^2-30p-11=6

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Solution for 3p^2-30p-11=6 equation:


Simplifying
3p2 + -30p + -11 = 6

Reorder the terms:
-11 + -30p + 3p2 = 6

Solving
-11 + -30p + 3p2 = 6

Solving for variable 'p'.

Reorder the terms:
-11 + -6 + -30p + 3p2 = 6 + -6

Combine like terms: -11 + -6 = -17
-17 + -30p + 3p2 = 6 + -6

Combine like terms: 6 + -6 = 0
-17 + -30p + 3p2 = 0

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

Divide each side by '3'.
-5.666666667 + -10p + p2 = 0

Move the constant term to the right:

Add '5.666666667' to each side of the equation.
-5.666666667 + -10p + 5.666666667 + p2 = 0 + 5.666666667

Reorder the terms:
-5.666666667 + 5.666666667 + -10p + p2 = 0 + 5.666666667

Combine like terms: -5.666666667 + 5.666666667 = 0.000000000
0.000000000 + -10p + p2 = 0 + 5.666666667
-10p + p2 = 0 + 5.666666667

Combine like terms: 0 + 5.666666667 = 5.666666667
-10p + p2 = 5.666666667

The p term is -10p.  Take half its coefficient (-5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
-10p + 25 + p2 = 5.666666667 + 25

Reorder the terms:
25 + -10p + p2 = 5.666666667 + 25

Combine like terms: 5.666666667 + 25 = 30.666666667
25 + -10p + p2 = 30.666666667

Factor a perfect square on the left side:
(p + -5)(p + -5) = 30.666666667

Calculate the square root of the right side: 5.537749242

Break this problem into two subproblems by setting 
(p + -5) equal to 5.537749242 and -5.537749242.

Subproblem 1

p + -5 = 5.537749242 Simplifying p + -5 = 5.537749242 Reorder the terms: -5 + p = 5.537749242 Solving -5 + p = 5.537749242 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + p = 5.537749242 + 5 Combine like terms: -5 + 5 = 0 0 + p = 5.537749242 + 5 p = 5.537749242 + 5 Combine like terms: 5.537749242 + 5 = 10.537749242 p = 10.537749242 Simplifying p = 10.537749242

Subproblem 2

p + -5 = -5.537749242 Simplifying p + -5 = -5.537749242 Reorder the terms: -5 + p = -5.537749242 Solving -5 + p = -5.537749242 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + p = -5.537749242 + 5 Combine like terms: -5 + 5 = 0 0 + p = -5.537749242 + 5 p = -5.537749242 + 5 Combine like terms: -5.537749242 + 5 = -0.537749242 p = -0.537749242 Simplifying p = -0.537749242

Solution

The solution to the problem is based on the solutions from the subproblems. p = {10.537749242, -0.537749242}

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