-6p+7=(6p-9)(40+-16p)

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Solution for -6p+7=(6p-9)(40+-16p) equation:


Simplifying
-6p + 7 = (6p + -9)(40 + -16p)

Reorder the terms:
7 + -6p = (6p + -9)(40 + -16p)

Reorder the terms:
7 + -6p = (-9 + 6p)(40 + -16p)

Multiply (-9 + 6p) * (40 + -16p)
7 + -6p = (-9(40 + -16p) + 6p * (40 + -16p))
7 + -6p = ((40 * -9 + -16p * -9) + 6p * (40 + -16p))
7 + -6p = ((-360 + 144p) + 6p * (40 + -16p))
7 + -6p = (-360 + 144p + (40 * 6p + -16p * 6p))
7 + -6p = (-360 + 144p + (240p + -96p2))

Combine like terms: 144p + 240p = 384p
7 + -6p = (-360 + 384p + -96p2)

Solving
7 + -6p = -360 + 384p + -96p2

Solving for variable 'p'.

Reorder the terms:
7 + 360 + -6p + -384p + 96p2 = -360 + 384p + -96p2 + 360 + -384p + 96p2

Combine like terms: 7 + 360 = 367
367 + -6p + -384p + 96p2 = -360 + 384p + -96p2 + 360 + -384p + 96p2

Combine like terms: -6p + -384p = -390p
367 + -390p + 96p2 = -360 + 384p + -96p2 + 360 + -384p + 96p2

Reorder the terms:
367 + -390p + 96p2 = -360 + 360 + 384p + -384p + -96p2 + 96p2

Combine like terms: -360 + 360 = 0
367 + -390p + 96p2 = 0 + 384p + -384p + -96p2 + 96p2
367 + -390p + 96p2 = 384p + -384p + -96p2 + 96p2

Combine like terms: 384p + -384p = 0
367 + -390p + 96p2 = 0 + -96p2 + 96p2
367 + -390p + 96p2 = -96p2 + 96p2

Combine like terms: -96p2 + 96p2 = 0
367 + -390p + 96p2 = 0

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

Divide each side by '96'.
3.822916667 + -4.0625p + p2 = 0

Move the constant term to the right:

Add '-3.822916667' to each side of the equation.
3.822916667 + -4.0625p + -3.822916667 + p2 = 0 + -3.822916667

Reorder the terms:
3.822916667 + -3.822916667 + -4.0625p + p2 = 0 + -3.822916667

Combine like terms: 3.822916667 + -3.822916667 = 0.000000000
0.000000000 + -4.0625p + p2 = 0 + -3.822916667
-4.0625p + p2 = 0 + -3.822916667

Combine like terms: 0 + -3.822916667 = -3.822916667
-4.0625p + p2 = -3.822916667

The p term is -4.0625p.  Take half its coefficient (-2.03125).
Square it (4.125976563) and add it to both sides.

Add '4.125976563' to each side of the equation.
-4.0625p + 4.125976563 + p2 = -3.822916667 + 4.125976563

Reorder the terms:
4.125976563 + -4.0625p + p2 = -3.822916667 + 4.125976563

Combine like terms: -3.822916667 + 4.125976563 = 0.303059896
4.125976563 + -4.0625p + p2 = 0.303059896

Factor a perfect square on the left side:
(p + -2.03125)(p + -2.03125) = 0.303059896

Calculate the square root of the right side: 0.550508761

Break this problem into two subproblems by setting 
(p + -2.03125) equal to 0.550508761 and -0.550508761.

Subproblem 1

p + -2.03125 = 0.550508761 Simplifying p + -2.03125 = 0.550508761 Reorder the terms: -2.03125 + p = 0.550508761 Solving -2.03125 + p = 0.550508761 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '2.03125' to each side of the equation. -2.03125 + 2.03125 + p = 0.550508761 + 2.03125 Combine like terms: -2.03125 + 2.03125 = 0.00000 0.00000 + p = 0.550508761 + 2.03125 p = 0.550508761 + 2.03125 Combine like terms: 0.550508761 + 2.03125 = 2.581758761 p = 2.581758761 Simplifying p = 2.581758761

Subproblem 2

p + -2.03125 = -0.550508761 Simplifying p + -2.03125 = -0.550508761 Reorder the terms: -2.03125 + p = -0.550508761 Solving -2.03125 + p = -0.550508761 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '2.03125' to each side of the equation. -2.03125 + 2.03125 + p = -0.550508761 + 2.03125 Combine like terms: -2.03125 + 2.03125 = 0.00000 0.00000 + p = -0.550508761 + 2.03125 p = -0.550508761 + 2.03125 Combine like terms: -0.550508761 + 2.03125 = 1.480741239 p = 1.480741239 Simplifying p = 1.480741239

Solution

The solution to the problem is based on the solutions from the subproblems. p = {2.581758761, 1.480741239}

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