Factor the polynomial. 49 - 121p^2

Holt McDougal Larson Algebra 1 Common Core Edition page 545 number 6

Asked by Dee Dee on 25 Mar 10:53

Last updated by anonymous on 26 Mar 01:14

Answered by CherieS on 26 Mar 01:14

49 - 121p^2

(7 )(7 ) ( +11p)( -11p)

=(7+11p)(7-11p)

=(7)(7) -(11p)(7) +(11p)(7) +(11p)(-11p)

=49 -77p +77P -121p^2

=49 0 -121p^2

=49-121p^2

therefore (7+11p)(7-11p) are the factors