Question

find the product of (3x-y) and (x+y)​

Answer 1

Step-by-step explanation:

(3x-y)(x+y) = 3x^2+2xy-y^2

Answer 2

Step-by-step explanation:

(3x-y )(x+y)

3x (x+y)-y (x+y)

$3 {x}^{2} + 3xy - xy - {y}^{2}$

$3 {x}^{2} + 2xy - {y}^{2}$