Question

use suitable identity to get the product (3y + 2) (3y+2)
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Answer 1

answer:

hope it helps you:

(3y+2)(3y+2)=(3y+2)^2

identity used ; (a+b)^2=a^2 + b^2 + 2ab

therefore, (3y+2)^2= (3y)^2 + 2^2 + 2(3y*2)

= 9y^2+4+12y