Step-by-step explanation:
30=-5(6n+6)
30=-5×6n-5×6
30=-30n-30
30+30=-30n
60=-30n
60/-30=-30n/30
-2=n
Answer:
b
9
9x5=45+7=52
herre is the answer but plz help me too 18 has the square factor 9. ... 18 = 9 · 2.