**Guide :High School **

# using special products what is (wx-y)^2

Using special products what is (wx-y)^2**I think that supposed to be (wx - y^2)^2?If so, multiply using FOIL: First: wx * wx = w^2x^2 Outside: wx * -y^2 = -wxy^2 Inside: -y * wx = -wxy^2 Last: -y^2 * -y^2 = y^4 Combine w^2x^2 - 2wxy^2 + y^4**...