Question

O resultado de 3√10.(-2√8) é:

Answer 1

= 3√10 ( - 2√8)
= (-3). 2. √10.√8
= - 6√80
= - 6 . 4√5
= - 24 √5
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80: 2
40: 2
20: 2
10: 2
5: 5
1       =  2.2.2.2.5 = 16.5 = √16.√5 = 4√5

Answer 2

$Resolu\c{c}\~ao \to \left\{\begin{array}{ccc}3\sqrt{10}*(-2\sqrt{8}) = \\\\-6\sqrt{10*8} = \\\\-6\sqrt{80} = \\\\-6\sqrt{4*20} = \\\\-6\sqrt{4*4*5} = \\\\-6\sqrt{4^2*5 = \\\\-6*4\sqrt{5}} = \\\\\boxed{\boxed{-24\sqrt{5}}}\end{array}\right$

Espero ter ajudado. =^.^=