Question

show that (2y+3)²-(2y-3)²=24y​

Answer 1

(2y+3)²-(2y-3)²=24y

Step-by-step explanation:

L.H.S.

(2y+3)²-(2y-3)²

= (4y²+9+12y)-(4y²+9-12y)

= 4y²+9+12y-4y²-9+12y

=4y²-4y²+9-9+12y+12y

=0+0+24y

=24y

R.H.S

24y

done!

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Answer 2

Answer:

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