Question

Respondam, por favor
$4 \sqrt{18} + 5 - 3 \sqrt{8} - (6 \sqrt{2} + 3)$
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Answer 1

Resposta:

4√18 +5 -3√8 -(6√2+3)

4√(2*3²) +5 -3√2³ -(6√2+3)

4√(2*3²) +5 -3√(2*2²) -(6√2+3)

4*3*√2 +5 -3*2*√2 -(6√2+3)

12√2 +5 -6√2 -6√2-3

12√2 +5 -12√2-3

=5-3 = 2  é a resposta