Math, asked by ammubijoy123, 5 months ago

(3a+b)(3a-b)
what will be the answer?!

Answers

Answered by IntrovertLeo

7

Answer:

9a² - b²

Step-by-step explanation:

(3a + b) (3a - b)

⇒ 3a(3a - b) + b(3a - b)

⇒ 9a² - 3ab + 3ab - b²

⇒ 9a² + 0 - b²

⇒ 9a² - b²

Answered by akhileshjoshi681

0

3a(3a-b)+b(3a-b)

9 2 − 1 2

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