-3p^2-12p+8=

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Solution for -3p^2-12p+8= equation:


Simplifying
-3p2 + -12p + 8 = 0

Reorder the terms:
8 + -12p + -3p2 = 0

Solving
8 + -12p + -3p2 = 0

Solving for variable 'p'.

Begin completing the square.  Divide all terms by
-3 the coefficient of the squared term: 

Divide each side by '-3'.
-2.666666667 + 4p + p2 = 0

Move the constant term to the right:

Add '2.666666667' to each side of the equation.
-2.666666667 + 4p + 2.666666667 + p2 = 0 + 2.666666667

Reorder the terms:
-2.666666667 + 2.666666667 + 4p + p2 = 0 + 2.666666667

Combine like terms: -2.666666667 + 2.666666667 = 0.000000000
0.000000000 + 4p + p2 = 0 + 2.666666667
4p + p2 = 0 + 2.666666667

Combine like terms: 0 + 2.666666667 = 2.666666667
4p + p2 = 2.666666667

The p term is 4p.  Take half its coefficient (2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
4p + 4 + p2 = 2.666666667 + 4

Reorder the terms:
4 + 4p + p2 = 2.666666667 + 4

Combine like terms: 2.666666667 + 4 = 6.666666667
4 + 4p + p2 = 6.666666667

Factor a perfect square on the left side:
(p + 2)(p + 2) = 6.666666667

Calculate the square root of the right side: 2.581988898

Break this problem into two subproblems by setting 
(p + 2) equal to 2.581988898 and -2.581988898.

Subproblem 1

p + 2 = 2.581988898 Simplifying p + 2 = 2.581988898 Reorder the terms: 2 + p = 2.581988898 Solving 2 + p = 2.581988898 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + p = 2.581988898 + -2 Combine like terms: 2 + -2 = 0 0 + p = 2.581988898 + -2 p = 2.581988898 + -2 Combine like terms: 2.581988898 + -2 = 0.581988898 p = 0.581988898 Simplifying p = 0.581988898

Subproblem 2

p + 2 = -2.581988898 Simplifying p + 2 = -2.581988898 Reorder the terms: 2 + p = -2.581988898 Solving 2 + p = -2.581988898 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + p = -2.581988898 + -2 Combine like terms: 2 + -2 = 0 0 + p = -2.581988898 + -2 p = -2.581988898 + -2 Combine like terms: -2.581988898 + -2 = -4.581988898 p = -4.581988898 Simplifying p = -4.581988898

Solution

The solution to the problem is based on the solutions from the subproblems. p = {0.581988898, -4.581988898}

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