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Simplify this expression HELP ASAP
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2 votes
Simplify this expression HELP ASAP

Simplify this expression HELP ASAP-example-1
User Taffarel
by
7.1k points

1 Answer

3 votes

Answer:

B

Explanation:

Noting the following rule of radicals


√(a) ×
√(b) =
√(ab)

Given

(
√(2) +
√(3))(
√(5) -
√(7) )

Each term in the second factor is multiplied by each term in the first factor

=
√(2)(
√(5) -
√(7)) +
√(3)(
√(5) -
√(7)) ← distribute parenthesis

=
√(10) -
√(14) +
√(15) -
√(21)

User Peter Henry
by
8.1k points
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