Math, asked by 7c4ruthickcb4825, 9 months ago

(7x+3y) (7x-3y) tell the answer

Answers

Answered by rakibahushen

5

Answer:

= 49x^2 - 9y^2

Step-by-step explanation:

= (7x+3y) (7x-3y)

= 7x (7x-3y) + 3y (7x -3y)

= 49x^2 - 21xy + 21xy - 9y^2

= 49x^2 - 9y^2

Answered by Anonymous

1

Answer :-

• (7x + 3y) (7x - 3y)

=> (7x)² - (3y)²

=> 49x² - 9y²

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