The area of a bulletin board is 52 square feet. the length is 3 feet less than4 times the width. find the length and width

The length of the bulletin board is

The width of the bulletin board is

Step-by-step explanation:

Let

x-----> the length of the bulletin board

y-----> the width of the bulletin board

we know that

The area of the rectangle (bulletin board) is equal to

we have

so

------> equation A

------> equation B

substitute equation B in equation A and solve for y

Using a graphing calculator------> solve the quadratic equation

The solution is

see the attached figure

Find the value of x

d i think

step-by-step explanation: