Question

The area of a rectangle isx2 + 7x + 12. If its breadth is (x + 3), then find its length

Answer 1

Area = length*breath

so, length = (x²+7x+10)/(x+2)

= (x²+5x+2x+10)/(x+2)

= ( (x+5)(x+2))/(x+2) ( here x+2 will be cancelled out.)

= (x+5) .