(-r + 7)(2r^2 - r - 9)

Holt McDougal Larson Algebra 1 Common Core Edition page 508 number 22

Asked by Dee Dee on 20 Mar 10:16

Last updated by anonymous on 21 Mar 11:39

Answered by CherieS on 21 Mar 11:39

-2 r^3+15 r^2+2 r-63 r ((15-2 r) r+2)-63

-(r-7) (r (2 r-1)-9)