SOLUTION: find the area of a rectangle which shows the answer as a polynomial in descending powers of x. length: 4x+5, width: 4x-1

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: find the area of a rectangle which shows the answer as a polynomial in descending powers of x. length: 4x+5, width: 4x-1      Log On


   

Question 151303: find the area of a rectangle which shows the answer as a polynomial in descending powers of x. length: 4x+5, width: 4x-1
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
length: 4x+5, width: 4x-1
AREA=(4X+5)(4X-1)
AREA=16X^2+20X-4X-5
AREA=16X^2+16X-5