10p-p*p-2=0

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Solution for 10p-p*p-2=0 equation:


Simplifying
10p + -1p * p + -2 = 0

Multiply p * p
10p + -1p2 + -2 = 0

Reorder the terms:
-2 + 10p + -1p2 = 0

Solving
-2 + 10p + -1p2 = 0

Solving for variable 'p'.

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
2 + -10p + p2 = 0

Move the constant term to the right:

Add '-2' to each side of the equation.
2 + -10p + -2 + p2 = 0 + -2

Reorder the terms:
2 + -2 + -10p + p2 = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -10p + p2 = 0 + -2
-10p + p2 = 0 + -2

Combine like terms: 0 + -2 = -2
-10p + p2 = -2

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 = -2 + 25

Reorder the terms:
25 + -10p + p2 = -2 + 25

Combine like terms: -2 + 25 = 23
25 + -10p + p2 = 23

Factor a perfect square on the left side:
(p + -5)(p + -5) = 23

Calculate the square root of the right side: 4.795831523

Break this problem into two subproblems by setting 
(p + -5) equal to 4.795831523 and -4.795831523.

Subproblem 1

p + -5 = 4.795831523 Simplifying p + -5 = 4.795831523 Reorder the terms: -5 + p = 4.795831523 Solving -5 + p = 4.795831523 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 = 4.795831523 + 5 Combine like terms: -5 + 5 = 0 0 + p = 4.795831523 + 5 p = 4.795831523 + 5 Combine like terms: 4.795831523 + 5 = 9.795831523 p = 9.795831523 Simplifying p = 9.795831523

Subproblem 2

p + -5 = -4.795831523 Simplifying p + -5 = -4.795831523 Reorder the terms: -5 + p = -4.795831523 Solving -5 + p = -4.795831523 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 = -4.795831523 + 5 Combine like terms: -5 + 5 = 0 0 + p = -4.795831523 + 5 p = -4.795831523 + 5 Combine like terms: -4.795831523 + 5 = 0.204168477 p = 0.204168477 Simplifying p = 0.204168477

Solution

The solution to the problem is based on the solutions from the subproblems. p = {9.795831523, 0.204168477}

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