Question

Add 2√3+4√5-7√7and 3√3-2√5-2√7

Answer 1

Given that;

$2\sqrt{3} +4\sqrt{5} -7\sqrt{7} +3\sqrt{3} -2\sqrt{5} -2\sqrt{7}$$=?$

Just start adding the like terms

This implies that;

$5\sqrt{3} +2\sqrt{2} -9\sqrt{9}$

This is our final answer