How do you find the product of (n-5)(n+1)(n5)(n+1)?

2 Answers
May 2, 2018

n^2 -4n -5n24n5

Explanation:

=(n-5)(n+1)(n5)(n+1)
=[n(n+1) -5(n+1)][n(n+1)5(n+1)]
=n^2 +n -5n -5n2+n5n5
=n^2 -4n -5n24n5

HAPPY LEARNING!!

May 2, 2018

n^2-4n-5n24n5

Explanation:

Use the FOIL method: First Outer Inner Last

  • First: n*n=n^2nn=n2
  • Outer: n*1=nn1=n
  • Inner: -5*n=-5n5n=5n
  • Last: -5*1=-551=5

So you have

n^2+n-5n-5n2+n5n5

Simplify

n^2-4n-5n24n5