Question

mutiply by using the formula - {(x+a)(x+b) = x^2 +(a+b)x+ab.}
(5 – xy) (3 + xy)​

Answer 1

Answer:

(5 – xy) (3 + xy)

Step-by-step explanation:

(5 – xy) (3 + xy)

15 + 5xy - 3xy -(xy)^2

15 + 2xy - ( xy )^2