<u>answer:</u> 
<u>work:</u>
| distribute the negative into the parentheses, which means multiply into the parentheses.
| combine like terms
| final answer
correct me if anything is wrong, otherwise hope this helps! ❤ from peachimin
<em>Sure hope this helps you</em>
Answer:
Set membership x ∈ X means x is an element of the set X. (Non-membership is written x ∈ X.) Set inclusion X ⊆ Y means every element of X is an element of Y ; X is a subset of Y .
Step-by-step explanation:
Carry on learning
