Math, asked by shibangi2007, 7 months ago

guys help fast please....i will also mark u as the brainiest... please fast​

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Answers

Answered by meenaagarwal2211
0

(3x + 7y) \times (3x - 7y) \\ = 9x - 49y \\

Answered by charanpreetkaur26
2

Answer:

(3x) sq. -(7y) sq

Step-by-step explanation:

identity 3....

(x) sq. - (y) sq. =(x+y) (x-y)

so here

x=3x y=7y

so...

answer is

(3x)sq.- (7y)sq.

hope it helps

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