Question

reduceti termenii asemenea
$5 \sqrt{3} + 2 - 3 \sqrt{7} + 8 \sqrt{7} - \sqrt{3} - 2$
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Answer 1

$5 \sqrt{3} + 2 - 3 \sqrt{7} + 8 \sqrt{7} - \sqrt{3} - 2$

$4 \sqrt{3} - 3 \sqrt{7} + 8 \sqrt{7}$

$4 \sqrt{3} + 5 \sqrt{7}$

Answer 2

Răspuns:

$5 \sqrt{3} + 2 - 3 \sqrt{7} + 8 \sqrt{7} - \sqrt{3} - 2 \\ \\ 5 \sqrt{3} - \sqrt{3} = 4 \sqrt{3} \\ + 2 - 2 = 0 \\ - 3 \sqrt{7} + 8 \sqrt{7} = 5 \sqrt{7} \\ \\ 4 \sqrt{3} + 0 + 5 \sqrt{7} \: \\ raspuns \: final \\ 4 \sqrt{3} + 5 \sqrt{7}$