Question

The area of a rectangle whose length is x + 4 and whose width is x – 9 ..
is x2 – 5x – 36 ?

Answer 1

Yes this is right..

Answer 2

Area = Length x breadth ..
=> Area = (x+4)(x-9)

Answer 3

\[Area = Length \times Width = (x+4)(x-9) = x^2 - 5x - 36\]

Answer 4

box multiplication