Answer:
the answer is (x-7)(x+6)
Step-by-step explanation:
The answer is the third one
Y=1/3x-9
100/25= 4
9 out of 25 didnt like it
9 times 4= 36 didnt like it
100-36=64 like the book
Intersection means elements both have. Both sets have -1 but they have nothing else in common so the intersection is {-1}
Union means combining the sets so {-1, 1, 2, 3, 7} Note that I only wrote 1 twice. No duplicates allowed!

In this case, you have to multiply each term of one parenthesis by each term in the second bracket. After receiving a number of factors need to be segregated and placed in the correct order.