Answer:
5) 19/4
7) 49/5
Step-by-step explanation:
Answer:
21x + 35y
Step-by-step explanation:
Distribute the 7 to everything in the parentheses.
7*3=21
7*5=35
To simplify that expression you'll join like terms.
8x + 4 - 5
8x - 1
Answer: this is our required factor i.e.

Explanation:
Since we have given that

As we know the identity , which says that

So, we can use this here ,

Hence this is our required factor i.e.
