SOLUTION: 3√27 - 5 3√8 solve and simplify

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Question 220297: 3√27 - 5 3√8 solve and simplify
Answer by rapaljer(4671) About Me  (Show Source):
You can put this solution on YOUR website!
3%2Asqrt%2827%29-5%2A3%2Asqrt%288%29+


First simplify each square root:
3%2Asqrt%289%29%2Asqrt%283%29-15%2Asqrt%284%29%2Asqrt%282%29
3%2A3%2Asqrt%283%29-15%2A2%2Asqrt%282%29
9%2Asqrt%283%29+-30%2Asqrt%282%29+

See also my own non-traditional explanation of this topic on my own website. Do a "Bing" search for my last name "Rapalje". Look for "Rapalje Homepage" near the top of the search list. Near the top of my Homepage, look for "Basic, Intermediate and College Algebra: One Step at a Time." Choose "Basic Algebra", look for "Chapter 5" on Square Roots and Radicals. Your particular problem here relates to my section called "Section 5.03 Adding and Subtracting Square Roots." This section is also supplemented by the corresponding section of "MATH IN LIVING COLOR" and also a video of me teaching my class on the topic of Square Roots. You can see the video FREE by looking on my Homepage for "Rapalje Videos." I think I hava a LOT of resources available to help with this or most any topic from algebra FREE on this website. Let me know if you need help finding anything on the website.

R^2

Dr. Robert J. Rapalje, Retired
Seminole State College of Florida
Altamonte Springs Campus