Question

Add:
a)
$7 \sqrt{3} + 8 \sqrt{3}$
b)
$\sqrt{2} + 5 \sqrt{2}$
$and \: also \: the \: answer \: must \: have \: an \: explation$
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Answer 1

$\sf \: 7 \sqrt{3} + 8 \sqrt{3} \\ = \sf (7 + 8) \sqrt{3} \\ \sf = 15 \sqrt{3}$

$\sf \: \sqrt{2} +5 \sqrt{2} \\ = \sf (1 + 5) \sqrt{2} \\ \sf = 6 \sqrt{2}$

Hope you could get an idea from here.

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