p^2+10p=7

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Solution for p^2+10p=7 equation:


Simplifying
p2 + 10p = 7

Reorder the terms:
10p + p2 = 7

Solving
10p + p2 = 7

Solving for variable 'p'.

Reorder the terms:
-7 + 10p + p2 = 7 + -7

Combine like terms: 7 + -7 = 0
-7 + 10p + p2 = 0

Begin completing the square.

Move the constant term to the right:

Add '7' to each side of the equation.
-7 + 10p + 7 + p2 = 0 + 7

Reorder the terms:
-7 + 7 + 10p + p2 = 0 + 7

Combine like terms: -7 + 7 = 0
0 + 10p + p2 = 0 + 7
10p + p2 = 0 + 7

Combine like terms: 0 + 7 = 7
10p + p2 = 7

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 = 7 + 25

Reorder the terms:
25 + 10p + p2 = 7 + 25

Combine like terms: 7 + 25 = 32
25 + 10p + p2 = 32

Factor a perfect square on the left side:
(p + 5)(p + 5) = 32

Calculate the square root of the right side: 5.656854249

Break this problem into two subproblems by setting 
(p + 5) equal to 5.656854249 and -5.656854249.

Subproblem 1

p + 5 = 5.656854249 Simplifying p + 5 = 5.656854249 Reorder the terms: 5 + p = 5.656854249 Solving 5 + p = 5.656854249 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 = 5.656854249 + -5 Combine like terms: 5 + -5 = 0 0 + p = 5.656854249 + -5 p = 5.656854249 + -5 Combine like terms: 5.656854249 + -5 = 0.656854249 p = 0.656854249 Simplifying p = 0.656854249

Subproblem 2

p + 5 = -5.656854249 Simplifying p + 5 = -5.656854249 Reorder the terms: 5 + p = -5.656854249 Solving 5 + p = -5.656854249 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 = -5.656854249 + -5 Combine like terms: 5 + -5 = 0 0 + p = -5.656854249 + -5 p = -5.656854249 + -5 Combine like terms: -5.656854249 + -5 = -10.656854249 p = -10.656854249 Simplifying p = -10.656854249

Solution

The solution to the problem is based on the solutions from the subproblems. p = {0.656854249, -10.656854249}

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