Question

This rectangle has an area of x^2-15x+56 and a length of x-7 meters. What expression represents the width of the rectangle? Width = ____ meters. Please help! The videos on my lesson aren't making sense to me and it isn't helping much.

Answer 1

width= x^2-15x+56
x-7
= (x-7)(x-8)
x-7 cancel x-7 so answer is...
=x-8