Math, asked by palivelasatyaveni01, 2 months ago

expand (3x-y) whole square

Answers

Answered by choudharyhero2004

0

Answer:

3x²-2xy+y² This is the answer its a identity (a-b)²

Answered by xXshwethaMehraXx

2

We know that
(a-b)^2=a^2+b^2-2(a)(b)
Therefore ,
(3x-y)^2 = (3x)^2+(y)^2 - 2(3x)(y)
= 9x^2 + y^2 -6xy
Answer = 9x^2 + y^2 -6xy
Hope it’ll help ! ☺️♥️

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