5p^2-10p-37=5

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Solution for 5p^2-10p-37=5 equation:


Simplifying
5p2 + -10p + -37 = 5

Reorder the terms:
-37 + -10p + 5p2 = 5

Solving
-37 + -10p + 5p2 = 5

Solving for variable 'p'.

Reorder the terms:
-37 + -5 + -10p + 5p2 = 5 + -5

Combine like terms: -37 + -5 = -42
-42 + -10p + 5p2 = 5 + -5

Combine like terms: 5 + -5 = 0
-42 + -10p + 5p2 = 0

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

Divide each side by '5'.
-8.4 + -2p + p2 = 0

Move the constant term to the right:

Add '8.4' to each side of the equation.
-8.4 + -2p + 8.4 + p2 = 0 + 8.4

Reorder the terms:
-8.4 + 8.4 + -2p + p2 = 0 + 8.4

Combine like terms: -8.4 + 8.4 = 0.0
0.0 + -2p + p2 = 0 + 8.4
-2p + p2 = 0 + 8.4

Combine like terms: 0 + 8.4 = 8.4
-2p + p2 = 8.4

The p term is -2p.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2p + 1 + p2 = 8.4 + 1

Reorder the terms:
1 + -2p + p2 = 8.4 + 1

Combine like terms: 8.4 + 1 = 9.4
1 + -2p + p2 = 9.4

Factor a perfect square on the left side:
(p + -1)(p + -1) = 9.4

Calculate the square root of the right side: 3.065941943

Break this problem into two subproblems by setting 
(p + -1) equal to 3.065941943 and -3.065941943.

Subproblem 1

p + -1 = 3.065941943 Simplifying p + -1 = 3.065941943 Reorder the terms: -1 + p = 3.065941943 Solving -1 + p = 3.065941943 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + p = 3.065941943 + 1 Combine like terms: -1 + 1 = 0 0 + p = 3.065941943 + 1 p = 3.065941943 + 1 Combine like terms: 3.065941943 + 1 = 4.065941943 p = 4.065941943 Simplifying p = 4.065941943

Subproblem 2

p + -1 = -3.065941943 Simplifying p + -1 = -3.065941943 Reorder the terms: -1 + p = -3.065941943 Solving -1 + p = -3.065941943 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + p = -3.065941943 + 1 Combine like terms: -1 + 1 = 0 0 + p = -3.065941943 + 1 p = -3.065941943 + 1 Combine like terms: -3.065941943 + 1 = -2.065941943 p = -2.065941943 Simplifying p = -2.065941943

Solution

The solution to the problem is based on the solutions from the subproblems. p = {4.065941943, -2.065941943}

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