kreidlerb16
kreidlerb16 kreidlerb16
  • 25-07-2017
  • Mathematics
contestada

Find the product.

(n + 7)(n - 2)

n² - 5n - 14
n² + 5n - 14
n² - 5n + 14

Respuesta :

Apocrophon
Apocrophon Apocrophon
  • 25-07-2017
The answer is n^2 + 5n - 14.


[tex](n+7)(n-2)\\\\n*n+(-2)*n+7*n+7*(-2)\\\\n^{2}-2n+7n-14\\\\n^{2}+5n-14[/tex]
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Nick911 Nick911
  • 28-07-2017
(n+7)(n-2)
=n•n+(-2)•n+7•n+7•(-2)
=n²-2n+7n-14
=n²+5n-14. In conclusion, the product of (n+7) and (n-2) or (n+7)(n-2)=n²+5n-14. Hope it help!
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