Answer:
3x²+12x
Step-by-step explanation:
Expand the brackets
Answer:
x ≤ 18
Step-by-step explanation:
The ≤ symbol means "greater than or equal to". Since it is 'no more' than 18, that means it can be 18 or less. Thus, less than OR equal to. Hope I helped.
Yes, it should be taken into account
-10z+14 would be the simplified answer
