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What is the answer (6√2)(-3√5)
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What is the answer (6√2)(-3√5)

User Shameca
by
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1 Answer

3 votes

Solution:


- 18 √(10)

Explanation:

1. Apply rule : a(-b) = -ab


= - 6 √(2) \: \: • \: \: 3 √(5)

2. Apply radical rule :
√(a) √(b) = √(ab) ,
a \geqslant 0,
b


= 6 √(2 \: • \: 5) \: • \: 3

3.Multiply the numbers : 2 • 5 = 10

=
6 √(10) •3

4.Multiply the numbers : - 6 • 3= - 18


= - 18 √(10)

User Paul Turner
by
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