Answer:
r=-3, 3,0
factor -
3r(r-3) (r+3) ,
solution-
3r=0 , r=0
3r^2-9r =0
3r^2=9r
r=3,
r+3=0
r= -3
Answer:3r(r-3)(r+3)
Explanation:
3r(r-3)(r+3)
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