Question 57973
Area of the sail = x^2+5x+6
Height           = x+3
Area of the triangle = 1/2 * base * height
x^2+5x+6 = 1/2 * base * x+3
Base = 2(x^2+5x+6)/(x+3)
     = 2(x+2)(x+3)/(x+3)
     = 2(x+2)