Question

show the : (2y+3)²-24y=(2y-3)²​

Answer 1

Step-by-step explanation:

LHS= (2y+3)^2-24y

=(2y)^2+2×2y×3+(3)^2-24y

=4y^2+12y+9-24y

=4y^2-12y+9

RHS= (2y-3)^2

=(2y)^2-2×2y×3+(3)^2

=4y^2-12y+9

LHS=RHS(Proved)

Answer 2

Answer:

y=0

Step-by-step explanation:

(2y+3)²-24y=(2y-3)²

4y²-12y+9-24y=4y²+12y+9

4y²-4y²-12y+9-24y=12y+9

-12y+9-24y=12y+9

-12y-12y-24y=9-9

-24y-24y=0

-48y=0

y=0

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