## Intermediate Algebra for College Students (7th Edition)

$2x+3$; $8$
RECALL: $(a^{\frac{1}{3}})^3=a$ Cube both sides of the equation to obtain: $\left((2x+3)^{\frac{1}{3}}\right)^3=2^3 \\\left((2x+3)^{\frac{1}{3}}\right)^3=8$ Use the rule above to obtain: $2x+3=8$ Thus, the missing expressions in the given statements are $2x+3$ and $8$, respectively