30p^2-55p=20

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Solution for 30p^2-55p=20 equation:


Simplifying
30p2 + -55p = 20

Reorder the terms:
-55p + 30p2 = 20

Solving
-55p + 30p2 = 20

Solving for variable 'p'.

Reorder the terms:
-20 + -55p + 30p2 = 20 + -20

Combine like terms: 20 + -20 = 0
-20 + -55p + 30p2 = 0

Factor out the Greatest Common Factor (GCF), '5'.
5(-4 + -11p + 6p2) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(-4 + -11p + 6p2)' equal to zero and attempt to solve: Simplifying -4 + -11p + 6p2 = 0 Solving -4 + -11p + 6p2 = 0 Begin completing the square. Divide all terms by 6 the coefficient of the squared term: Divide each side by '6'. -0.6666666667 + -1.833333333p + p2 = 0 Move the constant term to the right: Add '0.6666666667' to each side of the equation. -0.6666666667 + -1.833333333p + 0.6666666667 + p2 = 0 + 0.6666666667 Reorder the terms: -0.6666666667 + 0.6666666667 + -1.833333333p + p2 = 0 + 0.6666666667 Combine like terms: -0.6666666667 + 0.6666666667 = 0.0000000000 0.0000000000 + -1.833333333p + p2 = 0 + 0.6666666667 -1.833333333p + p2 = 0 + 0.6666666667 Combine like terms: 0 + 0.6666666667 = 0.6666666667 -1.833333333p + p2 = 0.6666666667 The p term is -1.833333333p. Take half its coefficient (-0.9166666665). Square it (0.8402777775) and add it to both sides. Add '0.8402777775' to each side of the equation. -1.833333333p + 0.8402777775 + p2 = 0.6666666667 + 0.8402777775 Reorder the terms: 0.8402777775 + -1.833333333p + p2 = 0.6666666667 + 0.8402777775 Combine like terms: 0.6666666667 + 0.8402777775 = 1.5069444442 0.8402777775 + -1.833333333p + p2 = 1.5069444442 Factor a perfect square on the left side: (p + -0.9166666665)(p + -0.9166666665) = 1.5069444442 Calculate the square root of the right side: 1.227576655 Break this problem into two subproblems by setting (p + -0.9166666665) equal to 1.227576655 and -1.227576655.

Subproblem 1

p + -0.9166666665 = 1.227576655 Simplifying p + -0.9166666665 = 1.227576655 Reorder the terms: -0.9166666665 + p = 1.227576655 Solving -0.9166666665 + p = 1.227576655 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '0.9166666665' to each side of the equation. -0.9166666665 + 0.9166666665 + p = 1.227576655 + 0.9166666665 Combine like terms: -0.9166666665 + 0.9166666665 = 0.0000000000 0.0000000000 + p = 1.227576655 + 0.9166666665 p = 1.227576655 + 0.9166666665 Combine like terms: 1.227576655 + 0.9166666665 = 2.1442433215 p = 2.1442433215 Simplifying p = 2.1442433215

Subproblem 2

p + -0.9166666665 = -1.227576655 Simplifying p + -0.9166666665 = -1.227576655 Reorder the terms: -0.9166666665 + p = -1.227576655 Solving -0.9166666665 + p = -1.227576655 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '0.9166666665' to each side of the equation. -0.9166666665 + 0.9166666665 + p = -1.227576655 + 0.9166666665 Combine like terms: -0.9166666665 + 0.9166666665 = 0.0000000000 0.0000000000 + p = -1.227576655 + 0.9166666665 p = -1.227576655 + 0.9166666665 Combine like terms: -1.227576655 + 0.9166666665 = -0.3109099885 p = -0.3109099885 Simplifying p = -0.3109099885

Solution

The solution to the problem is based on the solutions from the subproblems. p = {2.1442433215, -0.3109099885}

Solution

p = {2.1442433215, -0.3109099885}

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