p^2-16p-69=-6

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Solution for p^2-16p-69=-6 equation:


Simplifying
p2 + -16p + -69 = -6

Reorder the terms:
-69 + -16p + p2 = -6

Solving
-69 + -16p + p2 = -6

Solving for variable 'p'.

Reorder the terms:
-69 + 6 + -16p + p2 = -6 + 6

Combine like terms: -69 + 6 = -63
-63 + -16p + p2 = -6 + 6

Combine like terms: -6 + 6 = 0
-63 + -16p + p2 = 0

Begin completing the square.

Move the constant term to the right:

Add '63' to each side of the equation.
-63 + -16p + 63 + p2 = 0 + 63

Reorder the terms:
-63 + 63 + -16p + p2 = 0 + 63

Combine like terms: -63 + 63 = 0
0 + -16p + p2 = 0 + 63
-16p + p2 = 0 + 63

Combine like terms: 0 + 63 = 63
-16p + p2 = 63

The p term is -16p.  Take half its coefficient (-8).
Square it (64) and add it to both sides.

Add '64' to each side of the equation.
-16p + 64 + p2 = 63 + 64

Reorder the terms:
64 + -16p + p2 = 63 + 64

Combine like terms: 63 + 64 = 127
64 + -16p + p2 = 127

Factor a perfect square on the left side:
(p + -8)(p + -8) = 127

Calculate the square root of the right side: 11.26942767

Break this problem into two subproblems by setting 
(p + -8) equal to 11.26942767 and -11.26942767.

Subproblem 1

p + -8 = 11.26942767 Simplifying p + -8 = 11.26942767 Reorder the terms: -8 + p = 11.26942767 Solving -8 + p = 11.26942767 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + p = 11.26942767 + 8 Combine like terms: -8 + 8 = 0 0 + p = 11.26942767 + 8 p = 11.26942767 + 8 Combine like terms: 11.26942767 + 8 = 19.26942767 p = 19.26942767 Simplifying p = 19.26942767

Subproblem 2

p + -8 = -11.26942767 Simplifying p + -8 = -11.26942767 Reorder the terms: -8 + p = -11.26942767 Solving -8 + p = -11.26942767 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + p = -11.26942767 + 8 Combine like terms: -8 + 8 = 0 0 + p = -11.26942767 + 8 p = -11.26942767 + 8 Combine like terms: -11.26942767 + 8 = -3.26942767 p = -3.26942767 Simplifying p = -3.26942767

Solution

The solution to the problem is based on the solutions from the subproblems. p = {19.26942767, -3.26942767}

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