Math, asked by adityawarriror, 7 months ago

factorise 9(a-2)^2 -16(a+2)^2

Answers

Answered by ArghyaPratim

1

Answer:

-7a² - 100a - 28

Step-by-step explanation:

9(a - 2)² - 16(a + 2)²

9( a² - 4a + 4) - 16( a² + 4a + 4)

9a² - 36a + 36 - 16a² - 64a - 64

- 7a² - 100a - 28

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