Question

Simplify Completely:

Answer 1

$5 \sqrt{162}-3 \sqrt{18}-4 \sqrt{98}= \\ 5\cdot 9 \sqrt{2}-3\cdot 3 \sqrt{2} -4\cdot 7\sqrt{2}=\\ 45 \sqrt{2}-9 \sqrt{2} -28\sqrt{2}=\\ 8 \sqrt{2}$

B) 8√2 

Answer 2

The correct answer is (B)