Math, asked by jerinjim04, 4 months ago

9(a+2b)² -4×(3a-b) ²

Answers

Answered by devansh0518

2

Step-by-step explanation:

9(a+2b)² - 4(3a-b)²

9(a²+4b²) - 4(9a-b²)

9a²+36b² - 36a-4b²

9a-36a+36b²-4b²

-27a+32b² (answer)

Hope this helps

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