Question

the length of a rectangle is y units.If its breath is 4 units less than its length, then find the perimeter.​

Answer 1

Answer:

2y²-8y

Step-by-step explanation:

length=y

Breadth=(y-4)

Perimeter=2(l+b)

⇒2(y(y-4))

⇒2(y²-4y)

⇒2y²-8y