Question

product of-4x and 7y​

Answer 1

Step-by-step explanation:

product of -4x and 7y is

-4x×7y

-28xy

hope it helps you

Answer 2

Answer:

product of (7x−4y) and (3x−7y)

(7x−4y) (3x−7y)

⇒(7x)(3x)−(7x)(7y)−(4y)(3x)+(4y)(7y)

⇒21x

2

−49xy−12xy+28y

2

⇒21x

2

+28y

2

−61xy