Question

plz explain step by step
find the product of :(x+7y)(7x-y) ​

Answer 1

Answer:

here is ur ans

Step-by-step explanation:

(x+7y)×(7x−y)

=x(7x−y)+7y(7x−y)

=7x

2

−xy+49xy−7y

2

=7x

2

+48xy−7y 2

hope it helps u

Answer 2

solution=>

=

$= (x + 7y)(7x - y)$

$=7 x {}^{2} - xy + 49xy - 7y {}^{2} \\ \\ = 7x {}^{2} - 7y {}^{2} + 48xy$

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I hope it helps you