identify the x intercepts of y=2x 3/x^3 also the vertical asymptotes of the graph of the function

Do you mean:

y = \frac{2x + 3}{x^3}

or

y = 2x + \frac{3}{x^3}

?

In any case, set y = 0 and solve for x.

And 'deduce' the values of x for which y becomes infinity.