3p^2-3p-17=0

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Solution for 3p^2-3p-17=0 equation:


Simplifying
3p2 + -3p + -17 = 0

Reorder the terms:
-17 + -3p + 3p2 = 0

Solving
-17 + -3p + 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'.
-5.666666667 + -1p + p2 = 0

Move the constant term to the right:

Add '5.666666667' to each side of the equation.
-5.666666667 + -1p + 5.666666667 + p2 = 0 + 5.666666667

Reorder the terms:
-5.666666667 + 5.666666667 + -1p + p2 = 0 + 5.666666667

Combine like terms: -5.666666667 + 5.666666667 = 0.000000000
0.000000000 + -1p + p2 = 0 + 5.666666667
-1p + p2 = 0 + 5.666666667

Combine like terms: 0 + 5.666666667 = 5.666666667
-1p + p2 = 5.666666667

The p term is -1p.  Take half its coefficient (-0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
-1p + 0.25 + p2 = 5.666666667 + 0.25

Reorder the terms:
0.25 + -1p + p2 = 5.666666667 + 0.25

Combine like terms: 5.666666667 + 0.25 = 5.916666667
0.25 + -1p + p2 = 5.916666667

Factor a perfect square on the left side:
(p + -0.5)(p + -0.5) = 5.916666667

Calculate the square root of the right side: 2.43241992

Break this problem into two subproblems by setting 
(p + -0.5) equal to 2.43241992 and -2.43241992.

Subproblem 1

p + -0.5 = 2.43241992 Simplifying p + -0.5 = 2.43241992 Reorder the terms: -0.5 + p = 2.43241992 Solving -0.5 + p = 2.43241992 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + p = 2.43241992 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + p = 2.43241992 + 0.5 p = 2.43241992 + 0.5 Combine like terms: 2.43241992 + 0.5 = 2.93241992 p = 2.93241992 Simplifying p = 2.93241992

Subproblem 2

p + -0.5 = -2.43241992 Simplifying p + -0.5 = -2.43241992 Reorder the terms: -0.5 + p = -2.43241992 Solving -0.5 + p = -2.43241992 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + p = -2.43241992 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + p = -2.43241992 + 0.5 p = -2.43241992 + 0.5 Combine like terms: -2.43241992 + 0.5 = -1.93241992 p = -1.93241992 Simplifying p = -1.93241992

Solution

The solution to the problem is based on the solutions from the subproblems. p = {2.93241992, -1.93241992}

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