Answer:
10z+30
Step-by-step explanation:
2x5z=10z
2x15=30
This question is simple. Just follow the following steps:
1. Multiply 2 by 5z because you have to remove the parenthesis
2. Then multiply 2 by 15
15x2= 30
Then add 10z to 30.
30+10z is your answer.