Question

write an algebraic expression for area of a field of length 2x+y and breadth 2x-y.

Answer 1

Length = 2x + y
breath = 2x - y
area of field = (2x + y) (2x - y)
= (2x)^2 - (y)^2

Answer 2

Assuming that the field is in rectangular form

The length of the field is = (2x+y)
Breadth = (2x-y)
As we know area of a rectangle= l x b

So, it will be (2x+y)(2x-y)
=2x² - y²

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