p^2+10p=13

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Solution for p^2+10p=13 equation:


Simplifying
p2 + 10p = 13

Reorder the terms:
10p + p2 = 13

Solving
10p + p2 = 13

Solving for variable 'p'.

Reorder the terms:
-13 + 10p + p2 = 13 + -13

Combine like terms: 13 + -13 = 0
-13 + 10p + p2 = 0

Begin completing the square.

Move the constant term to the right:

Add '13' to each side of the equation.
-13 + 10p + 13 + p2 = 0 + 13

Reorder the terms:
-13 + 13 + 10p + p2 = 0 + 13

Combine like terms: -13 + 13 = 0
0 + 10p + p2 = 0 + 13
10p + p2 = 0 + 13

Combine like terms: 0 + 13 = 13
10p + p2 = 13

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 = 13 + 25

Reorder the terms:
25 + 10p + p2 = 13 + 25

Combine like terms: 13 + 25 = 38
25 + 10p + p2 = 38

Factor a perfect square on the left side:
(p + 5)(p + 5) = 38

Calculate the square root of the right side: 6.164414003

Break this problem into two subproblems by setting 
(p + 5) equal to 6.164414003 and -6.164414003.

Subproblem 1

p + 5 = 6.164414003 Simplifying p + 5 = 6.164414003 Reorder the terms: 5 + p = 6.164414003 Solving 5 + p = 6.164414003 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 = 6.164414003 + -5 Combine like terms: 5 + -5 = 0 0 + p = 6.164414003 + -5 p = 6.164414003 + -5 Combine like terms: 6.164414003 + -5 = 1.164414003 p = 1.164414003 Simplifying p = 1.164414003

Subproblem 2

p + 5 = -6.164414003 Simplifying p + 5 = -6.164414003 Reorder the terms: 5 + p = -6.164414003 Solving 5 + p = -6.164414003 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 = -6.164414003 + -5 Combine like terms: 5 + -5 = 0 0 + p = -6.164414003 + -5 p = -6.164414003 + -5 Combine like terms: -6.164414003 + -5 = -11.164414003 p = -11.164414003 Simplifying p = -11.164414003

Solution

The solution to the problem is based on the solutions from the subproblems. p = {1.164414003, -11.164414003}

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