4p^2-40p-8=0

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Solution for 4p^2-40p-8=0 equation:


Simplifying
4p2 + -40p + -8 = 0

Reorder the terms:
-8 + -40p + 4p2 = 0

Solving
-8 + -40p + 4p2 = 0

Solving for variable 'p'.

Factor out the Greatest Common Factor (GCF), '4'.
4(-2 + -10p + p2) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-2 + -10p + p2)' equal to zero and attempt to solve: Simplifying -2 + -10p + p2 = 0 Solving -2 + -10p + p2 = 0 Begin completing the square. Move the constant term to the right: Add '2' to each side of the equation. -2 + -10p + 2 + p2 = 0 + 2 Reorder the terms: -2 + 2 + -10p + p2 = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -10p + p2 = 0 + 2 -10p + p2 = 0 + 2 Combine like terms: 0 + 2 = 2 -10p + p2 = 2 The p term is -10p. Take half its coefficient (-5). Square it (25) and add it to both sides. Add '25' to each side of the equation. -10p + 25 + p2 = 2 + 25 Reorder the terms: 25 + -10p + p2 = 2 + 25 Combine like terms: 2 + 25 = 27 25 + -10p + p2 = 27 Factor a perfect square on the left side: (p + -5)(p + -5) = 27 Calculate the square root of the right side: 5.196152423 Break this problem into two subproblems by setting (p + -5) equal to 5.196152423 and -5.196152423.

Subproblem 1

p + -5 = 5.196152423 Simplifying p + -5 = 5.196152423 Reorder the terms: -5 + p = 5.196152423 Solving -5 + p = 5.196152423 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + p = 5.196152423 + 5 Combine like terms: -5 + 5 = 0 0 + p = 5.196152423 + 5 p = 5.196152423 + 5 Combine like terms: 5.196152423 + 5 = 10.196152423 p = 10.196152423 Simplifying p = 10.196152423

Subproblem 2

p + -5 = -5.196152423 Simplifying p + -5 = -5.196152423 Reorder the terms: -5 + p = -5.196152423 Solving -5 + p = -5.196152423 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + p = -5.196152423 + 5 Combine like terms: -5 + 5 = 0 0 + p = -5.196152423 + 5 p = -5.196152423 + 5 Combine like terms: -5.196152423 + 5 = -0.196152423 p = -0.196152423 Simplifying p = -0.196152423

Solution

The solution to the problem is based on the solutions from the subproblems. p = {10.196152423, -0.196152423}

Solution

p = {10.196152423, -0.196152423}

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