Question

Algebra 1 help I don't understand... Product of polynomials: find the product.
Please tell me how to solve this
(u - 4vy)(u + vy)

Answer 1

use foil method first outer inner last
(u)(u) + (vy)(u) + (u)(-4vy)+ (-4vy)(vy)

Answer 2

then combine like terms in the middle
u^2+ uvy-4uvy-4v^2y^2
u^2-3uvy-4v^2y^2

Answer 3

foil method will be a good i dea