Answer:
3(4n) + 2 + 6n
12n + 2 + 6n
12n + 6n + 2
18n + 2 is not equal to 13n + 2
hence both the expression are not equivalent
If these are the only choice then it is option 2. There should be another option since it is khan academy.
Expand
z^3 + 5z + 15 + 8 - 4z^2
Collect like terms
z^3 + 5z + (15 + 8) - 4z^2
<u>Simplify </u>
<u>z^3 + 5z + 23 - 4z^2</u>
Answer:
A
Step-by-step explanation:
Answer:
-3
Step-by-step explanation:
i think it might be-3 because a negative and a negative equals a positive
