3(8p^2-5p)-5(3p^2-2p+4)=

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Solution for 3(8p^2-5p)-5(3p^2-2p+4)= equation:


Simplifying
3(8p2 + -5p) + -5(3p2 + -2p + 4) = 0

Reorder the terms:
3(-5p + 8p2) + -5(3p2 + -2p + 4) = 0
(-5p * 3 + 8p2 * 3) + -5(3p2 + -2p + 4) = 0
(-15p + 24p2) + -5(3p2 + -2p + 4) = 0

Reorder the terms:
-15p + 24p2 + -5(4 + -2p + 3p2) = 0
-15p + 24p2 + (4 * -5 + -2p * -5 + 3p2 * -5) = 0
-15p + 24p2 + (-20 + 10p + -15p2) = 0

Reorder the terms:
-20 + -15p + 10p + 24p2 + -15p2 = 0

Combine like terms: -15p + 10p = -5p
-20 + -5p + 24p2 + -15p2 = 0

Combine like terms: 24p2 + -15p2 = 9p2
-20 + -5p + 9p2 = 0

Solving
-20 + -5p + 9p2 = 0

Solving for variable 'p'.

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

Divide each side by '9'.
-2.222222222 + -0.5555555556p + p2 = 0

Move the constant term to the right:

Add '2.222222222' to each side of the equation.
-2.222222222 + -0.5555555556p + 2.222222222 + p2 = 0 + 2.222222222

Reorder the terms:
-2.222222222 + 2.222222222 + -0.5555555556p + p2 = 0 + 2.222222222

Combine like terms: -2.222222222 + 2.222222222 = 0.000000000
0.000000000 + -0.5555555556p + p2 = 0 + 2.222222222
-0.5555555556p + p2 = 0 + 2.222222222

Combine like terms: 0 + 2.222222222 = 2.222222222
-0.5555555556p + p2 = 2.222222222

The p term is -0.5555555556p.  Take half its coefficient (-0.2777777778).
Square it (0.07716049384) and add it to both sides.

Add '0.07716049384' to each side of the equation.
-0.5555555556p + 0.07716049384 + p2 = 2.222222222 + 0.07716049384

Reorder the terms:
0.07716049384 + -0.5555555556p + p2 = 2.222222222 + 0.07716049384

Combine like terms: 2.222222222 + 0.07716049384 = 2.29938271584
0.07716049384 + -0.5555555556p + p2 = 2.29938271584

Factor a perfect square on the left side:
(p + -0.2777777778)(p + -0.2777777778) = 2.29938271584

Calculate the square root of the right side: 1.516371563

Break this problem into two subproblems by setting 
(p + -0.2777777778) equal to 1.516371563 and -1.516371563.

Subproblem 1

p + -0.2777777778 = 1.516371563 Simplifying p + -0.2777777778 = 1.516371563 Reorder the terms: -0.2777777778 + p = 1.516371563 Solving -0.2777777778 + p = 1.516371563 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '0.2777777778' to each side of the equation. -0.2777777778 + 0.2777777778 + p = 1.516371563 + 0.2777777778 Combine like terms: -0.2777777778 + 0.2777777778 = 0.0000000000 0.0000000000 + p = 1.516371563 + 0.2777777778 p = 1.516371563 + 0.2777777778 Combine like terms: 1.516371563 + 0.2777777778 = 1.7941493408 p = 1.7941493408 Simplifying p = 1.7941493408

Subproblem 2

p + -0.2777777778 = -1.516371563 Simplifying p + -0.2777777778 = -1.516371563 Reorder the terms: -0.2777777778 + p = -1.516371563 Solving -0.2777777778 + p = -1.516371563 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '0.2777777778' to each side of the equation. -0.2777777778 + 0.2777777778 + p = -1.516371563 + 0.2777777778 Combine like terms: -0.2777777778 + 0.2777777778 = 0.0000000000 0.0000000000 + p = -1.516371563 + 0.2777777778 p = -1.516371563 + 0.2777777778 Combine like terms: -1.516371563 + 0.2777777778 = -1.2385937852 p = -1.2385937852 Simplifying p = -1.2385937852

Solution

The solution to the problem is based on the solutions from the subproblems. p = {1.7941493408, -1.2385937852}

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