Given $p+q=5$ and $pq=3$, which identity is most direct for finding the value of $p^3 + q^3$?

$p^3 + q^3 = (p+q)(p^2 - pq + q^2)$

$p^3 - q^3 = (p-q)(p^2 + pq + q^2)$

Raising Equations to Powers Practice — Grade 4 amc_math