Math, asked by srsudheer24777, 2 months ago

4 (a+b)² – 9 (a - b)²

Answers

Answered by vpg8

2

Answer:

26ab-5a2-5b2

Step-by-step explanation:

(a+b)2 =a2+2ab+b2

(a-b)2=a2-2ab+b2

4a2+8ab+ 4b2-9a2+18ab-9b2

26ab-5a2-5b2

26ab-5(a2+b2)

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