Question

expand (3y+2) (3y-2)​

Answer 1

Answer:

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Answer 2

Answer:

y= -5

Step-by-step explanation:

$(a + b)(a - b) = a ^{2} - b ^{2}$

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

9y-4=0

9y=4

y= 4-9

y= -5