8=p(12p-3)

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Solution for 8=p(12p-3) equation:


Simplifying
8 = p(12p + -3)

Reorder the terms:
8 = p(-3 + 12p)
8 = (-3 * p + 12p * p)
8 = (-3p + 12p2)

Solving
8 = -3p + 12p2

Solving for variable 'p'.

Reorder the terms:
8 + 3p + -12p2 = -3p + 3p + 12p2 + -12p2

Combine like terms: -3p + 3p = 0
8 + 3p + -12p2 = 0 + 12p2 + -12p2
8 + 3p + -12p2 = 12p2 + -12p2

Combine like terms: 12p2 + -12p2 = 0
8 + 3p + -12p2 = 0

Begin completing the square.  Divide all terms by
-12 the coefficient of the squared term: 

Divide each side by '-12'.
-0.6666666667 + -0.25p + p2 = 0

Move the constant term to the right:

Add '0.6666666667' to each side of the equation.
-0.6666666667 + -0.25p + 0.6666666667 + p2 = 0 + 0.6666666667

Reorder the terms:
-0.6666666667 + 0.6666666667 + -0.25p + p2 = 0 + 0.6666666667

Combine like terms: -0.6666666667 + 0.6666666667 = 0.0000000000
0.0000000000 + -0.25p + p2 = 0 + 0.6666666667
-0.25p + p2 = 0 + 0.6666666667

Combine like terms: 0 + 0.6666666667 = 0.6666666667
-0.25p + p2 = 0.6666666667

The p term is -0.25p.  Take half its coefficient (-0.125).
Square it (0.015625) and add it to both sides.

Add '0.015625' to each side of the equation.
-0.25p + 0.015625 + p2 = 0.6666666667 + 0.015625

Reorder the terms:
0.015625 + -0.25p + p2 = 0.6666666667 + 0.015625

Combine like terms: 0.6666666667 + 0.015625 = 0.6822916667
0.015625 + -0.25p + p2 = 0.6822916667

Factor a perfect square on the left side:
(p + -0.125)(p + -0.125) = 0.6822916667

Calculate the square root of the right side: 0.826009483

Break this problem into two subproblems by setting 
(p + -0.125) equal to 0.826009483 and -0.826009483.

Subproblem 1

p + -0.125 = 0.826009483 Simplifying p + -0.125 = 0.826009483 Reorder the terms: -0.125 + p = 0.826009483 Solving -0.125 + p = 0.826009483 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '0.125' to each side of the equation. -0.125 + 0.125 + p = 0.826009483 + 0.125 Combine like terms: -0.125 + 0.125 = 0.000 0.000 + p = 0.826009483 + 0.125 p = 0.826009483 + 0.125 Combine like terms: 0.826009483 + 0.125 = 0.951009483 p = 0.951009483 Simplifying p = 0.951009483

Subproblem 2

p + -0.125 = -0.826009483 Simplifying p + -0.125 = -0.826009483 Reorder the terms: -0.125 + p = -0.826009483 Solving -0.125 + p = -0.826009483 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '0.125' to each side of the equation. -0.125 + 0.125 + p = -0.826009483 + 0.125 Combine like terms: -0.125 + 0.125 = 0.000 0.000 + p = -0.826009483 + 0.125 p = -0.826009483 + 0.125 Combine like terms: -0.826009483 + 0.125 = -0.701009483 p = -0.701009483 Simplifying p = -0.701009483

Solution

The solution to the problem is based on the solutions from the subproblems. p = {0.951009483, -0.701009483}

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