-3.6 will be 18 over 5 and by decimal will be 3.6
It’s ba + 2b - 2a + ab
B times a is ba
B times b is 2b
-a times a is -2a
-a times -b is ab
Whenever it’s a negative and a positive, it will be a negative integer or letter.
But when there’s two negatives will be a positive integer or letter.
This is a line on the x axis because it does not intersect with the y axis at all. The line is at x=3 and is a vertical line. If the line was x=-3, it would be to the left of (0,0), but it is positive to the right of the x and y intersection.
ANSWER: D) x=3
Hope this helps! :)