Chapter 6.4, Problem 196E

In the following exercises, use the expansion ${(1+x)}^{1/3}=1+\frac{1}{3}x-\frac{1}{9}{x}^2+\frac{5}{81}{x}^3-\frac{10}{243}{x}^4+\mathrm{...}$ to write the first five terms (not necessarily a quartic polynomial) of each expression.

196. ${(3+2x)}^{1/3};a=-1$