p(5p-3)+6(7p-4)=

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Solution for p(5p-3)+6(7p-4)= equation:


Simplifying
p(5p + -3) + 6(7p + -4) = 0

Reorder the terms:
p(-3 + 5p) + 6(7p + -4) = 0
(-3 * p + 5p * p) + 6(7p + -4) = 0
(-3p + 5p2) + 6(7p + -4) = 0

Reorder the terms:
-3p + 5p2 + 6(-4 + 7p) = 0
-3p + 5p2 + (-4 * 6 + 7p * 6) = 0
-3p + 5p2 + (-24 + 42p) = 0

Reorder the terms:
-24 + -3p + 42p + 5p2 = 0

Combine like terms: -3p + 42p = 39p
-24 + 39p + 5p2 = 0

Solving
-24 + 39p + 5p2 = 0

Solving for variable 'p'.

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

Divide each side by '5'.
-4.8 + 7.8p + p2 = 0

Move the constant term to the right:

Add '4.8' to each side of the equation.
-4.8 + 7.8p + 4.8 + p2 = 0 + 4.8

Reorder the terms:
-4.8 + 4.8 + 7.8p + p2 = 0 + 4.8

Combine like terms: -4.8 + 4.8 = 0.0
0.0 + 7.8p + p2 = 0 + 4.8
7.8p + p2 = 0 + 4.8

Combine like terms: 0 + 4.8 = 4.8
7.8p + p2 = 4.8

The p term is 7.8p.  Take half its coefficient (3.9).
Square it (15.21) and add it to both sides.

Add '15.21' to each side of the equation.
7.8p + 15.21 + p2 = 4.8 + 15.21

Reorder the terms:
15.21 + 7.8p + p2 = 4.8 + 15.21

Combine like terms: 4.8 + 15.21 = 20.01
15.21 + 7.8p + p2 = 20.01

Factor a perfect square on the left side:
(p + 3.9)(p + 3.9) = 20.01

Calculate the square root of the right side: 4.473253849

Break this problem into two subproblems by setting 
(p + 3.9) equal to 4.473253849 and -4.473253849.

Subproblem 1

p + 3.9 = 4.473253849 Simplifying p + 3.9 = 4.473253849 Reorder the terms: 3.9 + p = 4.473253849 Solving 3.9 + p = 4.473253849 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-3.9' to each side of the equation. 3.9 + -3.9 + p = 4.473253849 + -3.9 Combine like terms: 3.9 + -3.9 = 0.0 0.0 + p = 4.473253849 + -3.9 p = 4.473253849 + -3.9 Combine like terms: 4.473253849 + -3.9 = 0.573253849 p = 0.573253849 Simplifying p = 0.573253849

Subproblem 2

p + 3.9 = -4.473253849 Simplifying p + 3.9 = -4.473253849 Reorder the terms: 3.9 + p = -4.473253849 Solving 3.9 + p = -4.473253849 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-3.9' to each side of the equation. 3.9 + -3.9 + p = -4.473253849 + -3.9 Combine like terms: 3.9 + -3.9 = 0.0 0.0 + p = -4.473253849 + -3.9 p = -4.473253849 + -3.9 Combine like terms: -4.473253849 + -3.9 = -8.373253849 p = -8.373253849 Simplifying p = -8.373253849

Solution

The solution to the problem is based on the solutions from the subproblems. p = {0.573253849, -8.373253849}

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