49p^2-112p-64=

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Solution for 49p^2-112p-64= equation:


Simplifying
49p2 + -112p + -64 = 0

Reorder the terms:
-64 + -112p + 49p2 = 0

Solving
-64 + -112p + 49p2 = 0

Solving for variable 'p'.

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

Divide each side by '49'.
-1.306122449 + -2.285714286p + p2 = 0

Move the constant term to the right:

Add '1.306122449' to each side of the equation.
-1.306122449 + -2.285714286p + 1.306122449 + p2 = 0 + 1.306122449

Reorder the terms:
-1.306122449 + 1.306122449 + -2.285714286p + p2 = 0 + 1.306122449

Combine like terms: -1.306122449 + 1.306122449 = 0.000000000
0.000000000 + -2.285714286p + p2 = 0 + 1.306122449
-2.285714286p + p2 = 0 + 1.306122449

Combine like terms: 0 + 1.306122449 = 1.306122449
-2.285714286p + p2 = 1.306122449

The p term is -2.285714286p.  Take half its coefficient (-1.142857143).
Square it (1.306122449) and add it to both sides.

Add '1.306122449' to each side of the equation.
-2.285714286p + 1.306122449 + p2 = 1.306122449 + 1.306122449

Reorder the terms:
1.306122449 + -2.285714286p + p2 = 1.306122449 + 1.306122449

Combine like terms: 1.306122449 + 1.306122449 = 2.612244898
1.306122449 + -2.285714286p + p2 = 2.612244898

Factor a perfect square on the left side:
(p + -1.142857143)(p + -1.142857143) = 2.612244898

Calculate the square root of the right side: 1.616244071

Break this problem into two subproblems by setting 
(p + -1.142857143) equal to 1.616244071 and -1.616244071.

Subproblem 1

p + -1.142857143 = 1.616244071 Simplifying p + -1.142857143 = 1.616244071 Reorder the terms: -1.142857143 + p = 1.616244071 Solving -1.142857143 + p = 1.616244071 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '1.142857143' to each side of the equation. -1.142857143 + 1.142857143 + p = 1.616244071 + 1.142857143 Combine like terms: -1.142857143 + 1.142857143 = 0.000000000 0.000000000 + p = 1.616244071 + 1.142857143 p = 1.616244071 + 1.142857143 Combine like terms: 1.616244071 + 1.142857143 = 2.759101214 p = 2.759101214 Simplifying p = 2.759101214

Subproblem 2

p + -1.142857143 = -1.616244071 Simplifying p + -1.142857143 = -1.616244071 Reorder the terms: -1.142857143 + p = -1.616244071 Solving -1.142857143 + p = -1.616244071 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '1.142857143' to each side of the equation. -1.142857143 + 1.142857143 + p = -1.616244071 + 1.142857143 Combine like terms: -1.142857143 + 1.142857143 = 0.000000000 0.000000000 + p = -1.616244071 + 1.142857143 p = -1.616244071 + 1.142857143 Combine like terms: -1.616244071 + 1.142857143 = -0.473386928 p = -0.473386928 Simplifying p = -0.473386928

Solution

The solution to the problem is based on the solutions from the subproblems. p = {2.759101214, -0.473386928}

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