Question

The area of rectangle is 5(y + 3) (y2 - 16). It's one side is 5(y? - y - 12). What is its other side?
(a) (y-12)
(b) (y-15)
(c) (y-4)
(d) (y+4)
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Plz
Answer step by step
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Answer 1

A=L×B

5(y+3)(y^2-16)=5(y^2-y-12)×B

5(y+3)(y^2-16)/5(y^2-y-12)=B

5(y+3)(y-4)(y+4)/5(y+3)(y-4)=B

B=(y+4)

other side B=(y+4)