Which expressions represent the product of exactly two factors?
(choose 2 answers)

A. x+y

B.5(x+y)

C.(x-y) (x+y)

D. xyz

Best answer gets brainliest.

An equation where variables are used to represent known values—function notation true or false

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a