👤

(2x - y) ² what is the product ​

Sagot :

Answer:

4x² - y² - 4xy

Solution:

Using FOIL Method:

(2x - y) ( 2x - y)

F = (2x) (2x)  = 4x²

O = (2x) (-y) = -2xy

I = (-y) (2x) = -2xy

L = (-y) (-y) = y²

4x² - 2xy - 2xy - y²

4x² - y² - 4xy