Answer:
The expression consists of two factors, and each factor contains three terms.
Step-by-step explanation:
<u>Factors</u> are numbers that <u>multiply</u>. The two brackets are written stuck to each other without any symbol between them, which means they are multiplying.
(a+b+c) is the first factor.
(d+e+f) is the second factor
<u>Terms</u> are numbers that <u>separated by addition or subtraction</u>.
Inside the first bracket, the terms are "a", "b", and "c".
Inside the second bracket, the terms are "d"", "e", and "f".