The length of a rectangle is represented by the expression (0.8x-1.6) units the width of the rectangle is represented by the expression (1/4x+1) units. the width of the rectangle is half the measure of its length. what are the length and width of the rectangle? enter the answer in the boxes

(x3 + 6x2 + 2x - 6) • (x - 1)

step-by-step explanation:

polynomial long division :

3.2     polynomial long division

dividing :   x4+5x3-4x2-8x+6

                              ("dividend")

by         :     x-1     ("divisor")

dividend     x4   +   5x3   -   4x2   -   8x   +   6

- divisor   * x3     x4   -   x3            

remainder         6x3   -   4x2   -   8x   +   6

- divisor   * 6x2         6x3   -   6x2        

remainder             2x2   -   8x   +   6

- divisor   * 2x1             2x2   -   2x    

remainder               -   6x   +   6

- divisor   * -6x0               -   6x   +   6

remainder                     0

quotient :   x3+6x2+2x-6   remainder:   0

it is true

step-by-step explanation:

all the combinations add up i used   calculator

cross multiplying, we get :

⇒ (3) × (5) = (9) × (x)

⇒ 15 = 9x