3p^2-18p+16=0

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Solution for 3p^2-18p+16=0 equation:


Simplifying
3p2 + -18p + 16 = 0

Reorder the terms:
16 + -18p + 3p2 = 0

Solving
16 + -18p + 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'.
5.333333333 + -6p + p2 = 0

Move the constant term to the right:

Add '-5.333333333' to each side of the equation.
5.333333333 + -6p + -5.333333333 + p2 = 0 + -5.333333333

Reorder the terms:
5.333333333 + -5.333333333 + -6p + p2 = 0 + -5.333333333

Combine like terms: 5.333333333 + -5.333333333 = 0.000000000
0.000000000 + -6p + p2 = 0 + -5.333333333
-6p + p2 = 0 + -5.333333333

Combine like terms: 0 + -5.333333333 = -5.333333333
-6p + p2 = -5.333333333

The p term is -6p.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6p + 9 + p2 = -5.333333333 + 9

Reorder the terms:
9 + -6p + p2 = -5.333333333 + 9

Combine like terms: -5.333333333 + 9 = 3.666666667
9 + -6p + p2 = 3.666666667

Factor a perfect square on the left side:
(p + -3)(p + -3) = 3.666666667

Calculate the square root of the right side: 1.914854216

Break this problem into two subproblems by setting 
(p + -3) equal to 1.914854216 and -1.914854216.

Subproblem 1

p + -3 = 1.914854216 Simplifying p + -3 = 1.914854216 Reorder the terms: -3 + p = 1.914854216 Solving -3 + p = 1.914854216 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + p = 1.914854216 + 3 Combine like terms: -3 + 3 = 0 0 + p = 1.914854216 + 3 p = 1.914854216 + 3 Combine like terms: 1.914854216 + 3 = 4.914854216 p = 4.914854216 Simplifying p = 4.914854216

Subproblem 2

p + -3 = -1.914854216 Simplifying p + -3 = -1.914854216 Reorder the terms: -3 + p = -1.914854216 Solving -3 + p = -1.914854216 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + p = -1.914854216 + 3 Combine like terms: -3 + 3 = 0 0 + p = -1.914854216 + 3 p = -1.914854216 + 3 Combine like terms: -1.914854216 + 3 = 1.085145784 p = 1.085145784 Simplifying p = 1.085145784

Solution

The solution to the problem is based on the solutions from the subproblems. p = {4.914854216, 1.085145784}

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