-p^2+7p-17=1

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Solution for -p^2+7p-17=1 equation:


Simplifying
-1p2 + 7p + -17 = 1

Reorder the terms:
-17 + 7p + -1p2 = 1

Solving
-17 + 7p + -1p2 = 1

Solving for variable 'p'.

Reorder the terms:
-17 + -1 + 7p + -1p2 = 1 + -1

Combine like terms: -17 + -1 = -18
-18 + 7p + -1p2 = 1 + -1

Combine like terms: 1 + -1 = 0
-18 + 7p + -1p2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
18 + -7p + p2 = 0

Move the constant term to the right:

Add '-18' to each side of the equation.
18 + -7p + -18 + p2 = 0 + -18

Reorder the terms:
18 + -18 + -7p + p2 = 0 + -18

Combine like terms: 18 + -18 = 0
0 + -7p + p2 = 0 + -18
-7p + p2 = 0 + -18

Combine like terms: 0 + -18 = -18
-7p + p2 = -18

The p term is -7p.  Take half its coefficient (-3.5).
Square it (12.25) and add it to both sides.

Add '12.25' to each side of the equation.
-7p + 12.25 + p2 = -18 + 12.25

Reorder the terms:
12.25 + -7p + p2 = -18 + 12.25

Combine like terms: -18 + 12.25 = -5.75
12.25 + -7p + p2 = -5.75

Factor a perfect square on the left side:
(p + -3.5)(p + -3.5) = -5.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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