Observe the figure:

The area of a rectangle is square units.

The width is units.

Find length .

The area of a rectangle is .

                                  (Formula for length)

                       (Substitute and )

Divide the first term of the dividend by the first term of the divisor, .

So,the first term of the quotient is .

Multiply by and subtract.

So, .

Therefore, the length is .

The length is .