16p^2+79p-3=0

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Solution for 16p^2+79p-3=0 equation:


Simplifying
16p2 + 79p + -3 = 0

Reorder the terms:
-3 + 79p + 16p2 = 0

Solving
-3 + 79p + 16p2 = 0

Solving for variable 'p'.

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

Divide each side by '16'.
-0.1875 + 4.9375p + p2 = 0

Move the constant term to the right:

Add '0.1875' to each side of the equation.
-0.1875 + 4.9375p + 0.1875 + p2 = 0 + 0.1875

Reorder the terms:
-0.1875 + 0.1875 + 4.9375p + p2 = 0 + 0.1875

Combine like terms: -0.1875 + 0.1875 = 0.0000
0.0000 + 4.9375p + p2 = 0 + 0.1875
4.9375p + p2 = 0 + 0.1875

Combine like terms: 0 + 0.1875 = 0.1875
4.9375p + p2 = 0.1875

The p term is 4.9375p.  Take half its coefficient (2.46875).
Square it (6.094726563) and add it to both sides.

Add '6.094726563' to each side of the equation.
4.9375p + 6.094726563 + p2 = 0.1875 + 6.094726563

Reorder the terms:
6.094726563 + 4.9375p + p2 = 0.1875 + 6.094726563

Combine like terms: 0.1875 + 6.094726563 = 6.282226563
6.094726563 + 4.9375p + p2 = 6.282226563

Factor a perfect square on the left side:
(p + 2.46875)(p + 2.46875) = 6.282226563

Calculate the square root of the right side: 2.506437026

Break this problem into two subproblems by setting 
(p + 2.46875) equal to 2.506437026 and -2.506437026.

Subproblem 1

p + 2.46875 = 2.506437026 Simplifying p + 2.46875 = 2.506437026 Reorder the terms: 2.46875 + p = 2.506437026 Solving 2.46875 + p = 2.506437026 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-2.46875' to each side of the equation. 2.46875 + -2.46875 + p = 2.506437026 + -2.46875 Combine like terms: 2.46875 + -2.46875 = 0.00000 0.00000 + p = 2.506437026 + -2.46875 p = 2.506437026 + -2.46875 Combine like terms: 2.506437026 + -2.46875 = 0.037687026 p = 0.037687026 Simplifying p = 0.037687026

Subproblem 2

p + 2.46875 = -2.506437026 Simplifying p + 2.46875 = -2.506437026 Reorder the terms: 2.46875 + p = -2.506437026 Solving 2.46875 + p = -2.506437026 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-2.46875' to each side of the equation. 2.46875 + -2.46875 + p = -2.506437026 + -2.46875 Combine like terms: 2.46875 + -2.46875 = 0.00000 0.00000 + p = -2.506437026 + -2.46875 p = -2.506437026 + -2.46875 Combine like terms: -2.506437026 + -2.46875 = -4.975187026 p = -4.975187026 Simplifying p = -4.975187026

Solution

The solution to the problem is based on the solutions from the subproblems. p = {0.037687026, -4.975187026}

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