Question

equal Ucal.
11. The area of a rectangle is (x2 + 2x - 15) square units. If the length is (x + 5) units, find its breadth
th​

Answer 1

Step-by-step explanation:

area of rectangle =x²+2x-15

length=x+5

let breadth be "y"

area of rectangle =x²+2x-15

lb=x²+2x-15

(x+5)(y)=x²+2x-15

y=x²+2x-15/(x+5)

y=x²+5x-3x-15/(x+5)

y=x(x+5)-3(x+5)/(x+5)

y=(x-3)(x+5)/(x+5)

y=(x-3)

breadth = (x-3)units