Question

7sqrt 4x+2sqrt25x+3sqrt16=

Answer 1

\[7\sqrt {4x}+2\sqrt{25x}+3\sqrt{16}\]
\[=7\sqrt{2*2*x}+\sqrt{5*5*x}+3\sqrt{4*4}\]
\[=14\sqrt{x}+10\sqrt{x}+12\]
\[=24\sqrt{x}+12\]
\[=12(\sqrt{x}+1)\]

Answer 2

sorry missed a 2 in the ans
answer is \[=12(2\sqrt{x}+1)\]