Perform the Indicated Operation $(7 \sqrt{5}+2 \sqrt{3})(10 \sqrt{5}+4 \sqrt{3})$ A) $70 \sqrt{5}+8 \sqrt{3}$

Multiple Choice

Perform the indicated operation.
- $(7 \sqrt{5}+2 \sqrt{3}) (10 \sqrt{5}+4 \sqrt{3})$

A) $70 \sqrt{5}+8 \sqrt{3}$
B) $326+48 \sqrt{15}$
C) $374+48 \sqrt{15}$
D) $70 \sqrt{5}+8 \sqrt{3}+48 \sqrt{15}$