Question

factorise 9x²+6xy+y²​

Answer 1

9x²+6xy+y²

9x²+3xy+3xy+y²

3x(3x+y)+y(3x+y)

(3x+y)(3x+y)=0

3x+y=0

3x+y=0

Then use the substitution method and u will get your answer.. Hope it helps u!!

Answer 2

$\huge\bold{Answer}$

$\bold{9x^2 + 6xy + y^2}$

$\bold{By \ using \ Identities}</h2><h2>$

$\bold{(a+b)^2}$ $\bold{=}$ $\bold{a^2 + b^2 + 2ab}</h2><h2>$

$\bold{(3x)^2}$ $\bold{y^2}$ $\bold{2×3x×y}$

$\bold{(3x+y)^2}$

$\bold{(3x+y)}$ $\bold{(3x+y)}$