Explicación paso a paso:
resolvemos :
[tex](n - 3)(n + 1) - (n + 3)(n - 5) [/tex]
[tex] {n}^{2} - n + 3n - 3 - ( {n}^{2} - 5n + 3n - 15)[/tex]
[tex] {n}^{2} - n + 3n - 3 - {n}^{2} + 5n - 3n + 15[/tex]
(n^2-n^2) +( n -3n +5n -3n ) + (-3+15)
[tex]p = 12[/tex]
espero te sirva saludos
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Explicación paso a paso:
resolvemos :
[tex](n - 3)(n + 1) - (n + 3)(n - 5) [/tex]
[tex] {n}^{2} - n + 3n - 3 - ( {n}^{2} - 5n + 3n - 15)[/tex]
[tex] {n}^{2} - n + 3n - 3 - {n}^{2} + 5n - 3n + 15[/tex]
(n^2-n^2) +( n -3n +5n -3n ) + (-3+15)
[tex]p = 12[/tex]
espero te sirva saludos