(n-1)(n+7)=y

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Solution for (n-1)(n+7)=y equation: 


Simplifying
(n + -1)(n + 7) = y

Reorder the terms:
(-1 + n)(n + 7) = y

Reorder the terms:
(-1 + n)(7 + n) = y

Multiply (-1 + n) * (7 + n)
(-1(7 + n) + n(7 + n)) = y
((7 * -1 + n * -1) + n(7 + n)) = y
((-7 + -1n) + n(7 + n)) = y
(-7 + -1n + (7 * n + n * n)) = y
(-7 + -1n + (7n + n2)) = y

Combine like terms: -1n + 7n = 6n
(-7 + 6n + n2) = y

Solving
-7 + 6n + n2 = y

Solving for variable 'n'.

Combine like terms: y + -1y = 0
-7 + 6n + n2 + -1y = 0

The solution to this equation could not be determined.

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