QuestionWhich expression is equivalent to $(z+5)\left(z^{2}-4 z+6\right) ?$ (A) $z^{3}+5 z^{2}+6 z+30$ (B) $z^{2}+z+11$ (C) $z^{3}+z^{2}-14 z+30$ (D) $z^{2}-3 z+11$

Studdy Solution
Match the simplified expression $z^3 + z^2 - 14z + 30$ with the given options:
The expression matches option (C) $z^3 + z^2 - 14z + 30$.
The equivalent expression is $\boxed{C}$.