Question

Factoring By Grouping Factor each completely. If non-factorable, write "Non-factorable"

Answer 1

r^3 - 8r^2 + 5r - 40

Answer 2

r^3 - 8r^2 + 5r - 40 =

r^2 ( r - 8) + 5 (r - 8) = Note: (r - 8) is a common factor

( r - 8) ( ? + ) @x_n3rd_x