SOLUTION: Multiply square root of 5(4square root 2 - 6 square root 4) also (4 square root of 7 - 8 square root of 2) (5 square root 7 + 10 square root 2 I have tried these proble

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Question 381383: Multiply
square root of 5(4square root 2 - 6 square root 4)
also
(4 square root of 7 - 8 square root of 2) (5 square root 7 + 10 square root 2
I have tried these problems several times.. could someone show me step by step how to do this.
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
sqrt(5)(4sqrt(2)-6sqrt4))
4sqrt(10)-6sqrt(20)
4sqrt(10)-12sqrt(5)
.
Ed