SOLUTION: simplify the expression
9 square root of 7x - 6 sqaure root 7x
Algebra.Com
Question 244942: simplify the expression
9 square root of 7x - 6 sqaure root 7x
Answer by rapaljer(4671) (Show Source): You can put this solution on YOUR website!
9 square root of 7x - 6 square root 7x
Just combine like radicals:
9 apples -6 apples = 3 apples
Likewise
9 square root of 7x - 6 square root 7x= 3 square root 7x!
You should see my own website for additional explanation on Square Roots, and especially to see a FREE hour and a half video of me teaching this lesson a few years ago. To find my website, click on my tutor name "Rapaljer" anywhere in algebra.com. From my homepage, click on "Rapalje Videos in Color", choose "Basic Algebra", and look for the video "Radicals (Square Roots)". In addition to this video explanation, I have a written explanation that you will probably find easier to understand than your textbook. From my Homepage, look for "Basic, Intermediate, and College Algebra: One Step at a Time." Choose "Basic Algebra", and then select "Chapter 5". The entire chapter is my own non-traditional explanation of Square Roots, which is also supported by my "MATH IN LIVING COLOR" pages.
Dr. Robert J. Rapalje, Retired
Seminole State College of Florida
Altamonte Springs Campus
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