n^2-5n+56=

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Solution for n^2-5n+56= equation:


Simplifying
n2 + -5n + 56 = 0

Reorder the terms:
56 + -5n + n2 = 0

Solving
56 + -5n + n2 = 0

Solving for variable 'n'.

Begin completing the square.

Move the constant term to the right:

Add '-56' to each side of the equation.
56 + -5n + -56 + n2 = 0 + -56

Reorder the terms:
56 + -56 + -5n + n2 = 0 + -56

Combine like terms: 56 + -56 = 0
0 + -5n + n2 = 0 + -56
-5n + n2 = 0 + -56

Combine like terms: 0 + -56 = -56
-5n + n2 = -56

The n term is -5n.  Take half its coefficient (-2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
-5n + 6.25 + n2 = -56 + 6.25

Reorder the terms:
6.25 + -5n + n2 = -56 + 6.25

Combine like terms: -56 + 6.25 = -49.75
6.25 + -5n + n2 = -49.75

Factor a perfect square on the left side:
(n + -2.5)(n + -2.5) = -49.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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