Question

if an area of a rectangle is expressed as 3x^4-2x^2-10x-20, and the width of the same rectangle can be expressed as x-2, what is the length of this rectangle?

Answer 1

Length=3x^3+6x^2+10x+10

Explanation:

given that the area A of a rectangle is A=L*W, we can find length L=A/W