211k views
2 votes
Simplify the expression 2√6 -5√54

User Feri
by
7.2k points

1 Answer

4 votes

Answer:

- 13
√(6)

Explanation:

Using the rule of radicals


√(a) ×
√(b)
√(ab)

Simplifying
√(54)


√(54)

=
√(9(6))

=
√(9) ×
√(6)

= 3
√(6)

Then

2
√(6) - 5
√(54)

= 2
√(6) - 5 (3
√(6) )

= 2
√(6) - 15
√(6)

= - 13
√(6)

User Jenya Kirmiza
by
7.8k points

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