Question

See Attachment Please help
Simplifying radicals

Answer 1

\[(2\sqrt{5}+3\sqrt{7})^2\]
\[=(2\sqrt{5})^2+2(2\sqrt{5})(3\sqrt{7})+(3\sqrt{7})^2\]
\[=4(5)+2(2)(3)(\sqrt{35})+9(7)\]
\[=20+12\sqrt{35}+63\]
\[=83+12\sqrt{35}\]

Answer 2

Thanks :)

Answer 3

Sure thing