The area of a rectangle is 5 x cubed plus 19 x squared plus 6 x minus 18 with length x plus 3 Using synthetic division, what is the width of the rectangle?
Answer
A
5 x squared plus 34 x plus 108 plus the fraction with numerator 306 and denominator x plus 3
B
5 x cubed plus 4 x squared minus 6 x
C
5 x squared plus 4 x minus 6
D
5 x squared plus 34 x plus 108 plus the fraction with numerator 306 and denominator x minus 3