Question

(3m + 2) (3m - 5) ( mention the identity used)

Answer 1

Answer:

(a+b)(a-b)

Step-by-step explanation:

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Answer 2

(3m+2) =x----1

(3m-5)=y___2

1+2

3m+2=x

3m-5=y

2=x

-5=y

=2xy/xx-5

=2y-5x

y=-10

2___y=-10

3m-5=y

3m+5=-10

m =-10-3

=10+3

m =13

and:(x-y ) =(m-n)

=[-10,13]