-n^2+5n-3=5

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Solution for -n^2+5n-3=5 equation:


Simplifying
-1n2 + 5n + -3 = 5

Reorder the terms:
-3 + 5n + -1n2 = 5

Solving
-3 + 5n + -1n2 = 5

Solving for variable 'n'.

Reorder the terms:
-3 + -5 + 5n + -1n2 = 5 + -5

Combine like terms: -3 + -5 = -8
-8 + 5n + -1n2 = 5 + -5

Combine like terms: 5 + -5 = 0
-8 + 5n + -1n2 = 0

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

Divide each side by '-1'.
8 + -5n + n2 = 0

Move the constant term to the right:

Add '-8' to each side of the equation.
8 + -5n + -8 + n2 = 0 + -8

Reorder the terms:
8 + -8 + -5n + n2 = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -5n + n2 = 0 + -8
-5n + n2 = 0 + -8

Combine like terms: 0 + -8 = -8
-5n + n2 = -8

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 = -8 + 6.25

Reorder the terms:
6.25 + -5n + n2 = -8 + 6.25

Combine like terms: -8 + 6.25 = -1.75
6.25 + -5n + n2 = -1.75

Factor a perfect square on the left side:
(n + -2.5)(n + -2.5) = -1.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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