p*p-14p+18=0

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Solution for p*p-14p+18=0 equation:


Simplifying
p * p + -14p + 18 = 0

Multiply p * p
p2 + -14p + 18 = 0

Reorder the terms:
18 + -14p + p2 = 0

Solving
18 + -14p + p2 = 0

Solving for variable 'p'.

Begin completing the square.

Move the constant term to the right:

Add '-18' to each side of the equation.
18 + -14p + -18 + p2 = 0 + -18

Reorder the terms:
18 + -18 + -14p + p2 = 0 + -18

Combine like terms: 18 + -18 = 0
0 + -14p + p2 = 0 + -18
-14p + p2 = 0 + -18

Combine like terms: 0 + -18 = -18
-14p + p2 = -18

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 = -18 + 49

Reorder the terms:
49 + -14p + p2 = -18 + 49

Combine like terms: -18 + 49 = 31
49 + -14p + p2 = 31

Factor a perfect square on the left side:
(p + -7)(p + -7) = 31

Calculate the square root of the right side: 5.567764363

Break this problem into two subproblems by setting 
(p + -7) equal to 5.567764363 and -5.567764363.

Subproblem 1

p + -7 = 5.567764363 Simplifying p + -7 = 5.567764363 Reorder the terms: -7 + p = 5.567764363 Solving -7 + p = 5.567764363 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 = 5.567764363 + 7 Combine like terms: -7 + 7 = 0 0 + p = 5.567764363 + 7 p = 5.567764363 + 7 Combine like terms: 5.567764363 + 7 = 12.567764363 p = 12.567764363 Simplifying p = 12.567764363

Subproblem 2

p + -7 = -5.567764363 Simplifying p + -7 = -5.567764363 Reorder the terms: -7 + p = -5.567764363 Solving -7 + p = -5.567764363 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 = -5.567764363 + 7 Combine like terms: -7 + 7 = 0 0 + p = -5.567764363 + 7 p = -5.567764363 + 7 Combine like terms: -5.567764363 + 7 = 1.432235637 p = 1.432235637 Simplifying p = 1.432235637

Solution

The solution to the problem is based on the solutions from the subproblems. p = {12.567764363, 1.432235637}

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