Math, asked by kmirmohdmehraansiddi, 4 months ago

Evaluate ? ( 3x + 1/2y ) (3x -1/2y)

Answers

Answered by MrKnowledgeGuy

4

Step-by-step explanation:

= (3x)² - (1/2y)² [(a+b)(a-b) = a²-b²]

= 9x² - 1/4y²

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