Question

identify the factor of the polynomial y^2+yb-ya-ab
~ i have no idea, pls help

Answer 1

look at y^2 and ya ..what's the common factor, then yb and ab ...what's the common factor ?

Answer 2

look to factor 2 psirs:
y^2 - ya + yb - ab
= y(y-a) + b(y - a)
(y -a) is common so
= (y + b)(y - a)

Answer 3

* 2 pairs