Question

PLEASE HELP! Select one of the factors of x^3y^2 + 8xy^2 - 5x^2 - 40.
(x^2+4)
(x^2+9)
(x+9)
none of the above

Answer 1

@zhao.zx i think its xy^2-5 is that right?? I have been working on this forever.

Answer 2

No, its (xy^2 + 5)

(xy^(2)-5)(x^(2)+8) = x^3y^2 + 8xy^2 - 5x^2 - 40

Answer 3

thanks.