Question

if z=10,find the value of Z3-3(z-10)
​

Answer 1

Answer:

-30

Step-by-step explanation:

1. 3Z-3(Z-10), multiply 3 with brackets.
2. 3Z-3*Z-3*10
3. 3Z-3Z-30
4. 3(10)-3(10)-30, As z=10
5. 30-30-30
6. (30-30)-30, put on the brackets
7. 0-30
8. -30