factorise the following using appropriate identities -- 9xsquare + 6xy + y square
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Answer:
(3x+y)(3x+y)
Step-by-step explanation:
9x^2+6xy+y^2
Identity=(a+b) ^2=a square+2ab+b square
3x square+2(3x)(y)+y square
=(3x+y)^2=(3x+y)(3x+y)
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