Question

Question 5

Answer 1

WELL U CAN ADD LIKE TERMS

Answer 2

\[
4\sqrt{v}+4\sqrt{v^6}-\sqrt{25v}-\sqrt{9v^6}\\
=4v^\frac12+4v^3-5v^\frac12-3v^3\\
=v^3-v^\frac12\\
=v^3-\sqrt{v}\\
\text{Therefore B.}
\]