Question

If the area of a rectangle is 15x²+12x and
the length is 5x+4 find the width

Answer 1

width = 3x

Explanation:

Area of a rectangle = Length × width

Length = 5x + 4

Breadth = y

15x² + 12x = 5x + 4 × y

y = 15x² + 12x

---------------

5x + 4

y = 3x