Question

Multiply and simplify if possible...??

Answer 1

\[\sqrt{7x}(\sqrt{x}-7\sqrt{7})\]

Answer 2

\[\sqrt{7x}\big(\sqrt x-7\sqrt7\big)=\sqrt{7x}\times\sqrt x-\sqrt{7x}\times7\sqrt7\]

Answer 3

use\[\sqrt{ab}=\sqrt a\sqrt b\]
and
\[\sqrt n\times\sqrt n=n\]

Answer 4

Okay, thank you!