Question

the length of a rectangle exceeds its breadth by 4 centimetre if the length and breadth each are increased by 3 centimetre the area of the new rectangle will be 81 square centimetre more than that of the given rectangle find the length and breadth of the Giving rectangle​

Answer 1

hope it will help you

Answer 2

as per the given condition,

let the length be x + 4

let the breath be x

as per new rectangle,

let the length be x+4+3

let the breath be x+3

therefore,

area = length * breat 81=(x+4+3)(x+3)

81=x^2+4x+3x+ 3x+12+9 81=x^2+10x+21

x^2+10x-60=0