p^2-100=14p

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Solution for p^2-100=14p equation:


Simplifying
p2 + -100 = 14p

Reorder the terms:
-100 + p2 = 14p

Solving
-100 + p2 = 14p

Solving for variable 'p'.

Reorder the terms:
-100 + -14p + p2 = 14p + -14p

Combine like terms: 14p + -14p = 0
-100 + -14p + p2 = 0

Begin completing the square.

Move the constant term to the right:

Add '100' to each side of the equation.
-100 + -14p + 100 + p2 = 0 + 100

Reorder the terms:
-100 + 100 + -14p + p2 = 0 + 100

Combine like terms: -100 + 100 = 0
0 + -14p + p2 = 0 + 100
-14p + p2 = 0 + 100

Combine like terms: 0 + 100 = 100
-14p + p2 = 100

The p term is -14p.  Take half its coefficient (-7).
Square it (49) and add it to both sides.

Add '49' to each side of the equation.
-14p + 49 + p2 = 100 + 49

Reorder the terms:
49 + -14p + p2 = 100 + 49

Combine like terms: 100 + 49 = 149
49 + -14p + p2 = 149

Factor a perfect square on the left side:
(p + -7)(p + -7) = 149

Calculate the square root of the right side: 12.206555616

Break this problem into two subproblems by setting 
(p + -7) equal to 12.206555616 and -12.206555616.

Subproblem 1

p + -7 = 12.206555616 Simplifying p + -7 = 12.206555616 Reorder the terms: -7 + p = 12.206555616 Solving -7 + p = 12.206555616 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + p = 12.206555616 + 7 Combine like terms: -7 + 7 = 0 0 + p = 12.206555616 + 7 p = 12.206555616 + 7 Combine like terms: 12.206555616 + 7 = 19.206555616 p = 19.206555616 Simplifying p = 19.206555616

Subproblem 2

p + -7 = -12.206555616 Simplifying p + -7 = -12.206555616 Reorder the terms: -7 + p = -12.206555616 Solving -7 + p = -12.206555616 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + p = -12.206555616 + 7 Combine like terms: -7 + 7 = 0 0 + p = -12.206555616 + 7 p = -12.206555616 + 7 Combine like terms: -12.206555616 + 7 = -5.206555616 p = -5.206555616 Simplifying p = -5.206555616

Solution

The solution to the problem is based on the solutions from the subproblems. p = {19.206555616, -5.206555616}

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