3p-4-6=2p(p-5)

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Solution for 3p-4-6=2p(p-5) equation:


Simplifying
3p + -4 + -6 = 2p(p + -5)

Reorder the terms:
-4 + -6 + 3p = 2p(p + -5)

Combine like terms: -4 + -6 = -10
-10 + 3p = 2p(p + -5)

Reorder the terms:
-10 + 3p = 2p(-5 + p)
-10 + 3p = (-5 * 2p + p * 2p)
-10 + 3p = (-10p + 2p2)

Solving
-10 + 3p = -10p + 2p2

Solving for variable 'p'.

Combine like terms: 3p + 10p = 13p
-10 + 13p + -2p2 = -10p + 2p2 + 10p + -2p2

Reorder the terms:
-10 + 13p + -2p2 = -10p + 10p + 2p2 + -2p2

Combine like terms: -10p + 10p = 0
-10 + 13p + -2p2 = 0 + 2p2 + -2p2
-10 + 13p + -2p2 = 2p2 + -2p2

Combine like terms: 2p2 + -2p2 = 0
-10 + 13p + -2p2 = 0

Begin completing the square.  Divide all terms by
-2 the coefficient of the squared term: 

Divide each side by '-2'.
5 + -6.5p + p2 = 0

Move the constant term to the right:

Add '-5' to each side of the equation.
5 + -6.5p + -5 + p2 = 0 + -5

Reorder the terms:
5 + -5 + -6.5p + p2 = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -6.5p + p2 = 0 + -5
-6.5p + p2 = 0 + -5

Combine like terms: 0 + -5 = -5
-6.5p + p2 = -5

The p term is -6.5p.  Take half its coefficient (-3.25).
Square it (10.5625) and add it to both sides.

Add '10.5625' to each side of the equation.
-6.5p + 10.5625 + p2 = -5 + 10.5625

Reorder the terms:
10.5625 + -6.5p + p2 = -5 + 10.5625

Combine like terms: -5 + 10.5625 = 5.5625
10.5625 + -6.5p + p2 = 5.5625

Factor a perfect square on the left side:
(p + -3.25)(p + -3.25) = 5.5625

Calculate the square root of the right side: 2.358495283

Break this problem into two subproblems by setting 
(p + -3.25) equal to 2.358495283 and -2.358495283.

Subproblem 1

p + -3.25 = 2.358495283 Simplifying p + -3.25 = 2.358495283 Reorder the terms: -3.25 + p = 2.358495283 Solving -3.25 + p = 2.358495283 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '3.25' to each side of the equation. -3.25 + 3.25 + p = 2.358495283 + 3.25 Combine like terms: -3.25 + 3.25 = 0.00 0.00 + p = 2.358495283 + 3.25 p = 2.358495283 + 3.25 Combine like terms: 2.358495283 + 3.25 = 5.608495283 p = 5.608495283 Simplifying p = 5.608495283

Subproblem 2

p + -3.25 = -2.358495283 Simplifying p + -3.25 = -2.358495283 Reorder the terms: -3.25 + p = -2.358495283 Solving -3.25 + p = -2.358495283 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '3.25' to each side of the equation. -3.25 + 3.25 + p = -2.358495283 + 3.25 Combine like terms: -3.25 + 3.25 = 0.00 0.00 + p = -2.358495283 + 3.25 p = -2.358495283 + 3.25 Combine like terms: -2.358495283 + 3.25 = 0.891504717 p = 0.891504717 Simplifying p = 0.891504717

Solution

The solution to the problem is based on the solutions from the subproblems. p = {5.608495283, 0.891504717}

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