N^2+6n-21=0

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Solution for N^2+6n-21=0 equation:


Simplifying
N2 + 6n + -21 = 0

Reorder the terms:
-21 + N2 + 6n = 0

Solving
-21 + N2 + 6n = 0

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 + 6n = 0 + 21

Reorder the terms:
-21 + 21 + N2 + 6n = 0 + 21

Combine like terms: -21 + 21 = 0
0 + N2 + 6n = 0 + 21
N2 + 6n = 0 + 21

Combine like terms: 0 + 21 = 21
N2 + 6n = 21

Add '-6n' to each side of the equation.
N2 + 6n + -6n = 21 + -6n

Combine like terms: 6n + -6n = 0
N2 + 0 = 21 + -6n
N2 = 21 + -6n

Simplifying
N2 = 21 + -6n

Reorder the terms:
-21 + N2 + 6n = 21 + -6n + -21 + 6n

Reorder the terms:
-21 + N2 + 6n = 21 + -21 + -6n + 6n

Combine like terms: 21 + -21 = 0
-21 + N2 + 6n = 0 + -6n + 6n
-21 + N2 + 6n = -6n + 6n

Combine like terms: -6n + 6n = 0
-21 + N2 + 6n = 0

The solution to this equation could not be determined.

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