Answer:
r+5 r^2+4r-21
-------------- / --------------------
r^2+5r-14 r-2
r+5 r-2
= -------------- x --------------------
r^2+5r-14 r^2+4r-21
(r+7)(r-2) (r+7)(r-3)
r+5
= -----------------
(r+7)^2 (r-3)
hope it helps
Step-by-step explanation:
30
bdc=30
4×5=20
3×2=6
2+14=16
3×8=24
9×4=36, 36 -2 = 34
12+(-10) =2
