Math, asked by lakshyasoni28, 19 hours ago

factorise: 4x²+15xy+9y²

Answers

Answered by surajjayaswal2007

1

Answer:

using identity 1st

a²+2ab+b²

4x²+15xy+y²= (2x)²+12+3xy+9y²

= 2x(2x+3y)+3y(2x+3y)

= (2x+3y)(2x+3y)

= (2x+3y)²

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