Math, asked by himmatsingh455, 5 months ago

Solve (2a+3b)²- 4c² ?

Answers

Answered by bharat2211

1

Answer:

4a²+12ab+9b²-4c²

Step-by-step explanation:

(2a+3b)²-4c²

(2a)²+2.(2a)(3b)+(3b)²-4c²

4a²+12ab+9b²-4c²

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