Question

The area in square feet of a rectangular field is x^2-80x+1500. the width, in feet, is x-30. what is the length in feet.

Answer 1

Explanation:

Area = x² - 80x + 1500

= x² -30x - 50x + 1500

= x(x - 30) - 50(x - 30)

= (x -30) (x - 50)

Length =(x -50) ft