# math

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5ã2x^3-xã18xy^2 simplify as much as possible

(5+4ã2)(3+4ã10)multiple and simplify as much as possible

• math -

Assuming you meant
5√(2x^3)-x√(18xy^2)
that is
5x√(2x) - 3xy√(2x) = (5x-3xy)√(2x)

(5+4√2)(3+4√10)
= 15 + 12√2 + 20√10 + 16√20
= 15 + 12√2 + 32√5 + 20√10

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