6p^2+9p-46=0

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Solution for 6p^2+9p-46=0 equation:


Simplifying
6p2 + 9p + -46 = 0

Reorder the terms:
-46 + 9p + 6p2 = 0

Solving
-46 + 9p + 6p2 = 0

Solving for variable 'p'.

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

Divide each side by '6'.
-7.666666667 + 1.5p + p2 = 0

Move the constant term to the right:

Add '7.666666667' to each side of the equation.
-7.666666667 + 1.5p + 7.666666667 + p2 = 0 + 7.666666667

Reorder the terms:
-7.666666667 + 7.666666667 + 1.5p + p2 = 0 + 7.666666667

Combine like terms: -7.666666667 + 7.666666667 = 0.000000000
0.000000000 + 1.5p + p2 = 0 + 7.666666667
1.5p + p2 = 0 + 7.666666667

Combine like terms: 0 + 7.666666667 = 7.666666667
1.5p + p2 = 7.666666667

The p term is 1.5p.  Take half its coefficient (0.75).
Square it (0.5625) and add it to both sides.

Add '0.5625' to each side of the equation.
1.5p + 0.5625 + p2 = 7.666666667 + 0.5625

Reorder the terms:
0.5625 + 1.5p + p2 = 7.666666667 + 0.5625

Combine like terms: 7.666666667 + 0.5625 = 8.229166667
0.5625 + 1.5p + p2 = 8.229166667

Factor a perfect square on the left side:
(p + 0.75)(p + 0.75) = 8.229166667

Calculate the square root of the right side: 2.868652413

Break this problem into two subproblems by setting 
(p + 0.75) equal to 2.868652413 and -2.868652413.

Subproblem 1

p + 0.75 = 2.868652413 Simplifying p + 0.75 = 2.868652413 Reorder the terms: 0.75 + p = 2.868652413 Solving 0.75 + p = 2.868652413 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-0.75' to each side of the equation. 0.75 + -0.75 + p = 2.868652413 + -0.75 Combine like terms: 0.75 + -0.75 = 0.00 0.00 + p = 2.868652413 + -0.75 p = 2.868652413 + -0.75 Combine like terms: 2.868652413 + -0.75 = 2.118652413 p = 2.118652413 Simplifying p = 2.118652413

Subproblem 2

p + 0.75 = -2.868652413 Simplifying p + 0.75 = -2.868652413 Reorder the terms: 0.75 + p = -2.868652413 Solving 0.75 + p = -2.868652413 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-0.75' to each side of the equation. 0.75 + -0.75 + p = -2.868652413 + -0.75 Combine like terms: 0.75 + -0.75 = 0.00 0.00 + p = -2.868652413 + -0.75 p = -2.868652413 + -0.75 Combine like terms: -2.868652413 + -0.75 = -3.618652413 p = -3.618652413 Simplifying p = -3.618652413

Solution

The solution to the problem is based on the solutions from the subproblems. p = {2.118652413, -3.618652413}

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