Question

The area of a rectangle is given by the expression, A = 4x2 + 9x + 2 where the width is x +2. Find an expression for the length of the rectangle. Show all steps.​

Answer 1

4x+1

Explanation:

1) to find the required expression for the length:

length=area/width;

2) according to the formula above:

`L=(4x^2+9x+2)/(x+2)=((x+2)(4x+1))/(x+2)=4x+1.`