Question

need help solving \[(\sqrt{11}+2)(2\sqrt{11}-1)\]

Answer 1

solve this multiplication \[\sqrt{11}\times 2\sqrt{11}+2\times2\sqrt{11}-\sqrt{11}-2\]
\[=2\times11+4\sqrt{11}-\sqrt{11}-2\]

Answer 2

\[3\sqrt{11}+20\]

Answer 3

thanks