3p^2-16p+3=0

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Solution for 3p^2-16p+3=0 equation:


Simplifying
3p2 + -16p + 3 = 0

Reorder the terms:
3 + -16p + 3p2 = 0

Solving
3 + -16p + 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'.
1 + -5.333333333p + p2 = 0

Move the constant term to the right:

Add '-1' to each side of the equation.
1 + -5.333333333p + -1 + p2 = 0 + -1

Reorder the terms:
1 + -1 + -5.333333333p + p2 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -5.333333333p + p2 = 0 + -1
-5.333333333p + p2 = 0 + -1

Combine like terms: 0 + -1 = -1
-5.333333333p + p2 = -1

The p term is -5.333333333p.  Take half its coefficient (-2.666666667).
Square it (7.111111113) and add it to both sides.

Add '7.111111113' to each side of the equation.
-5.333333333p + 7.111111113 + p2 = -1 + 7.111111113

Reorder the terms:
7.111111113 + -5.333333333p + p2 = -1 + 7.111111113

Combine like terms: -1 + 7.111111113 = 6.111111113
7.111111113 + -5.333333333p + p2 = 6.111111113

Factor a perfect square on the left side:
(p + -2.666666667)(p + -2.666666667) = 6.111111113

Calculate the square root of the right side: 2.472066163

Break this problem into two subproblems by setting 
(p + -2.666666667) equal to 2.472066163 and -2.472066163.

Subproblem 1

p + -2.666666667 = 2.472066163 Simplifying p + -2.666666667 = 2.472066163 Reorder the terms: -2.666666667 + p = 2.472066163 Solving -2.666666667 + p = 2.472066163 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '2.666666667' to each side of the equation. -2.666666667 + 2.666666667 + p = 2.472066163 + 2.666666667 Combine like terms: -2.666666667 + 2.666666667 = 0.000000000 0.000000000 + p = 2.472066163 + 2.666666667 p = 2.472066163 + 2.666666667 Combine like terms: 2.472066163 + 2.666666667 = 5.13873283 p = 5.13873283 Simplifying p = 5.13873283

Subproblem 2

p + -2.666666667 = -2.472066163 Simplifying p + -2.666666667 = -2.472066163 Reorder the terms: -2.666666667 + p = -2.472066163 Solving -2.666666667 + p = -2.472066163 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '2.666666667' to each side of the equation. -2.666666667 + 2.666666667 + p = -2.472066163 + 2.666666667 Combine like terms: -2.666666667 + 2.666666667 = 0.000000000 0.000000000 + p = -2.472066163 + 2.666666667 p = -2.472066163 + 2.666666667 Combine like terms: -2.472066163 + 2.666666667 = 0.194600504 p = 0.194600504 Simplifying p = 0.194600504

Solution

The solution to the problem is based on the solutions from the subproblems. p = {5.13873283, 0.194600504}

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