Question

(4 x root 5 + 3 x root 7)2

Answer 1

Answer:

$(4 \sqrt{5 \: } \: + 3 \sqrt{7})2 \\ (\sqrt{80 } \: + \sqrt{63} )2 \\ 2 \sqrt{80 } + 2 \sqrt{63 } \\ \sqrt{320} + \sqrt{252}$