Question

HELP PLEASE What is the following product?

Answer 1

The answer would be: 

Answer 2

$(2 \sqrt{7}+3 \sqrt{6} )(5 \sqrt{2}+4 \sqrt{3} )=10 \sqrt{14}+8 \sqrt{21} +15 \sqrt{12}+12 \sqrt{18} = \\ =10 \sqrt{14}+8 \sqrt{21} +15 *2\sqrt{3}+12*3 \sqrt{2}= \\ = 10 \sqrt{14}+8 \sqrt{21} +30\sqrt{3}+36 \sqrt{2}$