3p(2p-1)=3.3219

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Solution for 3p(2p-1)=3.3219 equation:


Simplifying
3p(2p + -1) = 3.3219

Reorder the terms:
3p(-1 + 2p) = 3.3219
(-1 * 3p + 2p * 3p) = 3.3219
(-3p + 6p2) = 3.3219

Solving
-3p + 6p2 = 3.3219

Solving for variable 'p'.

Reorder the terms:
-3.3219 + -3p + 6p2 = 3.3219 + -3.3219

Combine like terms: 3.3219 + -3.3219 = 0.0000
-3.3219 + -3p + 6p2 = 0.0000

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

Divide each side by '6'.
-0.55365 + -0.5p + p2 = 0.0000

Move the constant term to the right:

Add '0.55365' to each side of the equation.
-0.55365 + -0.5p + 0.55365 + p2 = 0.0000 + 0.55365

Reorder the terms:
-0.55365 + 0.55365 + -0.5p + p2 = 0.0000 + 0.55365

Combine like terms: -0.55365 + 0.55365 = 0.00000
0.00000 + -0.5p + p2 = 0.0000 + 0.55365
-0.5p + p2 = 0.0000 + 0.55365

Combine like terms: 0.0000 + 0.55365 = 0.55365
-0.5p + p2 = 0.55365

The p term is -0.5p.  Take half its coefficient (-0.25).
Square it (0.0625) and add it to both sides.

Add '0.0625' to each side of the equation.
-0.5p + 0.0625 + p2 = 0.55365 + 0.0625

Reorder the terms:
0.0625 + -0.5p + p2 = 0.55365 + 0.0625

Combine like terms: 0.55365 + 0.0625 = 0.61615
0.0625 + -0.5p + p2 = 0.61615

Factor a perfect square on the left side:
(p + -0.25)(p + -0.25) = 0.61615

Calculate the square root of the right side: 0.784952228

Break this problem into two subproblems by setting 
(p + -0.25) equal to 0.784952228 and -0.784952228.

Subproblem 1

p + -0.25 = 0.784952228 Simplifying p + -0.25 = 0.784952228 Reorder the terms: -0.25 + p = 0.784952228 Solving -0.25 + p = 0.784952228 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '0.25' to each side of the equation. -0.25 + 0.25 + p = 0.784952228 + 0.25 Combine like terms: -0.25 + 0.25 = 0.00 0.00 + p = 0.784952228 + 0.25 p = 0.784952228 + 0.25 Combine like terms: 0.784952228 + 0.25 = 1.034952228 p = 1.034952228 Simplifying p = 1.034952228

Subproblem 2

p + -0.25 = -0.784952228 Simplifying p + -0.25 = -0.784952228 Reorder the terms: -0.25 + p = -0.784952228 Solving -0.25 + p = -0.784952228 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '0.25' to each side of the equation. -0.25 + 0.25 + p = -0.784952228 + 0.25 Combine like terms: -0.25 + 0.25 = 0.00 0.00 + p = -0.784952228 + 0.25 p = -0.784952228 + 0.25 Combine like terms: -0.784952228 + 0.25 = -0.534952228 p = -0.534952228 Simplifying p = -0.534952228

Solution

The solution to the problem is based on the solutions from the subproblems. p = {1.034952228, -0.534952228}

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