y= 5x^8/31
y= (x-1) (x^2 + x +1)
y= √x^2+2/x
y= (2x + 3)^3 √x^2 + 3
y= 3√54x^2-5/ 2√43x+35
y= 2x^3-7x/15
y= (x^2 - 4) √x^3 + 2x
y= 2 √ x^5/16
y= (2x^3 + 1) (4- 7x + 2x^2)
y= x^3/4x
y= 5/5(x^3 + 2)
y= (3x + 4) (1-4x^2)
y= 16/2 √ x^5
y= √2x^3+5/√41x^7+15
y= 31/5x^8
y= 3(x^2 + 2)^3 √5x^2+54x
y= 35/ 3x+2
y= 3(x^2 + 2)^3/5
y= x+1/5x - 2
y= 3x+2/35
y= 5/3(x^2 + 2)^3
y= 15/ 2x^3-7x
y= 5(x^3 + 2)/5
y= x^2-9 / √x-3