Question

The rectangle below has an area of x2+8x+15x^2+8x+15x2+8x+15x, squared, plus, 8, x, plus, 15 square meters and a width of x+3x+3x+3x, plus, 3 meters

Answer 1

area = length*width ...

length = area/width

l = (x2+8x+15)/(x+3)

l = [(x+5)(x+3)]/(x+3) = x+5

The length is x+5

Explanation: