SOLUTION: Simplify 1. square root 32x to the 5th y to the 6th my answer is 2x squared y cubed square root 8x cubed I am confused about the x part 2. square root(576x to the 4th y

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Question 412531: Simplify
1. square root 32x to the 5th y to the 6th my answer is 2x squared y cubed square root 8x cubed I am confused about the x part
2. square root(576x to the 4th y cubed)(32xy squared z) just need it worked out

3. 4square root 3 - square root 3/6 I think the answer is 2/3 but I can't cancel out the square roots can I?
Rationalize the denominator:
4. 8+7i/9i I can get to -72i-63i squared/-81 i squared but don't know what to do now!

Answer by solver91311(24713) (Show Source):
You can put this solution on YOUR website!

The very first thing you need to do is to go back an read the instructions for posting questions on this site. One question per post.

4. So far, so good, though I'm not sure why you chose as a multiplier as opposed to . No matter, it will all come out in the wash anyway.

Next step: Remember so the denominator, becomes and the numerator becomes

Then you can divide both numerator and denominator by 9 to get:

John

My calculator said it, I believe it, that settles it