Question

simplify by removing factor of 1
y^2-9/3-y

Answer 1

U can write (3-y) as -(y-3) and the top is a difference of squares....

Answer 2

Y^2 -9 can be factored into (y-3)(y+3)
this can be rewritten as -(3-y)(y+3)
the 3-y cancels on the top and bottom leaving -(y+3)

Answer 3

is this the answer