I depends on the problem i believe.
<h2>Greetings!</h2><h3>When expanding brackets, you simply multiply whatever is inside the brackets by what is outside:</h3>

<h3>Which would result in the answer being:</h3>

<h2>Hope this helps!</h2>
We can't answer the question, you haven't given us the information, we need to know what the x is here, or if they gave you a value.
Answer:
The 2nd y is 12, the 3rd y is 24 and the last x is 3
Step-by-step explanation: