a, y= ( x^2 + 3x)(2- x)
b, y= (2x - 3 ) (x^3 - 2x)
c,y = (x^2 +1)(5 - 3x^2)
d,y = x(2x - 1)(3x+ 2)
e,y =(x^2 - 2x - 3 )(2x^2 + 3)
f, y= 2x - 4 / 2 - 3x
g,y = 2x - 1/ 4x - 3
h, y = 2x + 10 / 4x - 3
i, y= -x^2 + 5x - 4/ 3x - 6
k,y = 3/ 2x - 1
l,y = 2x + 1/ 1 - 3x
m,y=1+x-x^2/ 1- x + x^2
n,y = x^2 - 3x + 3 / x - 1
o,y= 2x^2 - 4x + 1/ 1- 3x
p,y = 2x^2/ x^2 - 2x - 3