N^2+4n-21=o

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Solution for N^2+4n-21=o equation:


Simplifying
N2 + 4n + -21 = o

Reorder the terms:
-21 + N2 + 4n = o

Solving
-21 + N2 + 4n = o

Solving for variable 'N'.

Move all terms containing N to the left, all other terms to the right.

Add '21' to each side of the equation.
-21 + N2 + 21 + 4n = 21 + o

Reorder the terms:
-21 + 21 + N2 + 4n = 21 + o

Combine like terms: -21 + 21 = 0
0 + N2 + 4n = 21 + o
N2 + 4n = 21 + o

Add '-4n' to each side of the equation.
N2 + 4n + -4n = 21 + -4n + o

Combine like terms: 4n + -4n = 0
N2 + 0 = 21 + -4n + o
N2 = 21 + -4n + o

Simplifying
N2 = 21 + -4n + o

Reorder the terms:
-21 + N2 + 4n + -1o = 21 + -4n + o + -21 + 4n + -1o

Reorder the terms:
-21 + N2 + 4n + -1o = 21 + -21 + -4n + 4n + o + -1o

Combine like terms: 21 + -21 = 0
-21 + N2 + 4n + -1o = 0 + -4n + 4n + o + -1o
-21 + N2 + 4n + -1o = -4n + 4n + o + -1o

Combine like terms: -4n + 4n = 0
-21 + N2 + 4n + -1o = 0 + o + -1o
-21 + N2 + 4n + -1o = o + -1o

Combine like terms: o + -1o = 0
-21 + N2 + 4n + -1o = 0

The solution to this equation could not be determined.

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