Math, asked by pinkysri116, 2 months ago

Expand the following by using suitable formula (3x-y)²​

Answers

Answered by vanshuna30gmailcom
1

answer-9x²+y²-6xy

Step-by-step explanation:

id- (x-y) = x²+y²-2xy

  • (3x)²+ (y)²-2×3x×y

  • 9x²+-6xy

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