7p^2-7p-24=-5

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Solution for 7p^2-7p-24=-5 equation:


Simplifying
7p2 + -7p + -24 = -5

Reorder the terms:
-24 + -7p + 7p2 = -5

Solving
-24 + -7p + 7p2 = -5

Solving for variable 'p'.

Reorder the terms:
-24 + 5 + -7p + 7p2 = -5 + 5

Combine like terms: -24 + 5 = -19
-19 + -7p + 7p2 = -5 + 5

Combine like terms: -5 + 5 = 0
-19 + -7p + 7p2 = 0

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

Divide each side by '7'.
-2.714285714 + -1p + p2 = 0

Move the constant term to the right:

Add '2.714285714' to each side of the equation.
-2.714285714 + -1p + 2.714285714 + p2 = 0 + 2.714285714

Reorder the terms:
-2.714285714 + 2.714285714 + -1p + p2 = 0 + 2.714285714

Combine like terms: -2.714285714 + 2.714285714 = 0.000000000
0.000000000 + -1p + p2 = 0 + 2.714285714
-1p + p2 = 0 + 2.714285714

Combine like terms: 0 + 2.714285714 = 2.714285714
-1p + p2 = 2.714285714

The p term is -1p.  Take half its coefficient (-0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
-1p + 0.25 + p2 = 2.714285714 + 0.25

Reorder the terms:
0.25 + -1p + p2 = 2.714285714 + 0.25

Combine like terms: 2.714285714 + 0.25 = 2.964285714
0.25 + -1p + p2 = 2.964285714

Factor a perfect square on the left side:
(p + -0.5)(p + -0.5) = 2.964285714

Calculate the square root of the right side: 1.721710113

Break this problem into two subproblems by setting 
(p + -0.5) equal to 1.721710113 and -1.721710113.

Subproblem 1

p + -0.5 = 1.721710113 Simplifying p + -0.5 = 1.721710113 Reorder the terms: -0.5 + p = 1.721710113 Solving -0.5 + p = 1.721710113 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + p = 1.721710113 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + p = 1.721710113 + 0.5 p = 1.721710113 + 0.5 Combine like terms: 1.721710113 + 0.5 = 2.221710113 p = 2.221710113 Simplifying p = 2.221710113

Subproblem 2

p + -0.5 = -1.721710113 Simplifying p + -0.5 = -1.721710113 Reorder the terms: -0.5 + p = -1.721710113 Solving -0.5 + p = -1.721710113 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + p = -1.721710113 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + p = -1.721710113 + 0.5 p = -1.721710113 + 0.5 Combine like terms: -1.721710113 + 0.5 = -1.221710113 p = -1.221710113 Simplifying p = -1.221710113

Solution

The solution to the problem is based on the solutions from the subproblems. p = {2.221710113, -1.221710113}

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