Answer: IM pretty sure your correct
Step-by-step explanation:
Answer:
157.92 + d =t
606
First equation = 3a + 9
= 3( a+3 )
Second equation = a²- 9
= a² - 3 ^ 2
= (a+3) (a-3)
Hence,
HCF = ( a+ 3)
Hope this helped
All the best !!
.