6p^2=9-7p

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Solution for 6p^2=9-7p equation:


Simplifying
6p2 = 9 + -7p

Solving
6p2 = 9 + -7p

Solving for variable 'p'.

Reorder the terms:
-9 + 7p + 6p2 = 9 + -7p + -9 + 7p

Reorder the terms:
-9 + 7p + 6p2 = 9 + -9 + -7p + 7p

Combine like terms: 9 + -9 = 0
-9 + 7p + 6p2 = 0 + -7p + 7p
-9 + 7p + 6p2 = -7p + 7p

Combine like terms: -7p + 7p = 0
-9 + 7p + 6p2 = 0

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

Divide each side by '6'.
-1.5 + 1.166666667p + p2 = 0

Move the constant term to the right:

Add '1.5' to each side of the equation.
-1.5 + 1.166666667p + 1.5 + p2 = 0 + 1.5

Reorder the terms:
-1.5 + 1.5 + 1.166666667p + p2 = 0 + 1.5

Combine like terms: -1.5 + 1.5 = 0.0
0.0 + 1.166666667p + p2 = 0 + 1.5
1.166666667p + p2 = 0 + 1.5

Combine like terms: 0 + 1.5 = 1.5
1.166666667p + p2 = 1.5

The p term is 1.166666667p.  Take half its coefficient (0.5833333335).
Square it (0.3402777780) and add it to both sides.

Add '0.3402777780' to each side of the equation.
1.166666667p + 0.3402777780 + p2 = 1.5 + 0.3402777780

Reorder the terms:
0.3402777780 + 1.166666667p + p2 = 1.5 + 0.3402777780

Combine like terms: 1.5 + 0.3402777780 = 1.840277778
0.3402777780 + 1.166666667p + p2 = 1.840277778

Factor a perfect square on the left side:
(p + 0.5833333335)(p + 0.5833333335) = 1.840277778

Calculate the square root of the right side: 1.356568383

Break this problem into two subproblems by setting 
(p + 0.5833333335) equal to 1.356568383 and -1.356568383.

Subproblem 1

p + 0.5833333335 = 1.356568383 Simplifying p + 0.5833333335 = 1.356568383 Reorder the terms: 0.5833333335 + p = 1.356568383 Solving 0.5833333335 + p = 1.356568383 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-0.5833333335' to each side of the equation. 0.5833333335 + -0.5833333335 + p = 1.356568383 + -0.5833333335 Combine like terms: 0.5833333335 + -0.5833333335 = 0.0000000000 0.0000000000 + p = 1.356568383 + -0.5833333335 p = 1.356568383 + -0.5833333335 Combine like terms: 1.356568383 + -0.5833333335 = 0.7732350495 p = 0.7732350495 Simplifying p = 0.7732350495

Subproblem 2

p + 0.5833333335 = -1.356568383 Simplifying p + 0.5833333335 = -1.356568383 Reorder the terms: 0.5833333335 + p = -1.356568383 Solving 0.5833333335 + p = -1.356568383 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-0.5833333335' to each side of the equation. 0.5833333335 + -0.5833333335 + p = -1.356568383 + -0.5833333335 Combine like terms: 0.5833333335 + -0.5833333335 = 0.0000000000 0.0000000000 + p = -1.356568383 + -0.5833333335 p = -1.356568383 + -0.5833333335 Combine like terms: -1.356568383 + -0.5833333335 = -1.9399017165 p = -1.9399017165 Simplifying p = -1.9399017165

Solution

The solution to the problem is based on the solutions from the subproblems. p = {0.7732350495, -1.9399017165}

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