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3 years ago

Simplify 3 radical sign 128-2 radical sign 6•4 radical sign 3. Show all work. Please help me it’s due today!!!

Mathematics

1 answer:

alexdok [17]3 years ago

7 0

Answer:

Step-by-step explanation:

3*sqrt(128) - 2sqrt(6)*4sqrt(3)

3*sqrt(128) = 3*sqrt(64*2) But the square root of 64 = 8

3sqrt(128) = 3*8 * sqrt(2) = 24 sqrt(2)

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2* sqr(6)*4sqrt(3) Combine the 2 and 4 = 8. Break apart the 6.

8* sqrt(3*2)*sqrt(3) Break apart the sqrt(3*2)

8*sqrt(3*2)*sqrt(3) = 8 * sqrt(3)*sqrt(2)*sqrt(3) but sqrt(3)*sqrt(3) = 3

8*sqrt(3)*sqrt(2)*sqrt(3) = 8*3*sqrt(2) = 24sqrt(2)

===================

24sqrt(2) - 24*sqrt(2)

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