4n-5=3+n^2

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Solution for 4n-5=3+n^2 equation:


Simplifying
4n + -5 = 3 + n2

Reorder the terms:
-5 + 4n = 3 + n2

Solving
-5 + 4n = 3 + n2

Solving for variable 'n'.

Reorder the terms:
-5 + -3 + 4n + -1n2 = 3 + n2 + -3 + -1n2

Combine like terms: -5 + -3 = -8
-8 + 4n + -1n2 = 3 + n2 + -3 + -1n2

Reorder the terms:
-8 + 4n + -1n2 = 3 + -3 + n2 + -1n2

Combine like terms: 3 + -3 = 0
-8 + 4n + -1n2 = 0 + n2 + -1n2
-8 + 4n + -1n2 = n2 + -1n2

Combine like terms: n2 + -1n2 = 0
-8 + 4n + -1n2 = 0

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

Divide each side by '-1'.
8 + -4n + n2 = 0

Move the constant term to the right:

Add '-8' to each side of the equation.
8 + -4n + -8 + n2 = 0 + -8

Reorder the terms:
8 + -8 + -4n + n2 = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -4n + n2 = 0 + -8
-4n + n2 = 0 + -8

Combine like terms: 0 + -8 = -8
-4n + n2 = -8

The n term is -4n.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4n + 4 + n2 = -8 + 4

Reorder the terms:
4 + -4n + n2 = -8 + 4

Combine like terms: -8 + 4 = -4
4 + -4n + n2 = -4

Factor a perfect square on the left side:
(n + -2)(n + -2) = -4

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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