Question

2 √128 - √18 + 4 √32 I NEED HELP PLEASE!!!!! ITS AN EMERGENCY !!!! STEP BY STEP PLEASE!!!!!

Answer 1

\[\sqrt{128}=\sqrt{16*4*2}=4*2\sqrt{2}=8\sqrt{2}\]
\[\sqrt{18}=\sqrt{9*3}=3*\sqrt{3}\]
\[\sqrt{32}=\sqrt{16*2}=4\sqrt{2}\]
now, combine like terms...

Answer 2

mistake...sorry..
\[\sqrt{18}=\sqrt{9*2}=3\sqrt{2}\]
your answer:
\[16\sqrt{2}-3\sqrt{2}+16\sqrt{2}=29\sqrt{2}\]