SOLUTION: Subtract and simplify. &#8730;27 - 5 &#8730;12 Could you explain how to subtract and simplify this? I am not sure if I came up with the correct answer and would like to chec

Algebra ->  Algebra  -> Exponents -> SOLUTION: Subtract and simplify. &#8730;27 - 5 &#8730;12 Could you explain how to subtract and simplify this? I am not sure if I came up with the correct answer and would like to chec      Log On

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 Click here to see ALL problems on Exponents Question 287292: Subtract and simplify. √27 - 5 √12 Could you explain how to subtract and simplify this? I am not sure if I came up with the correct answer and would like to check my work. Thank you. Cynthia Answer by richwmiller(9135)   (Show Source): You can put this solution on YOUR website!actually you have to simplify first sqrt(27)-5sqrt(12) sqrt(27)=sqrt(3*3*3)=3sqrt(3) sqrt(12(=sqrt(2*2*3)=2sqrt(3) so we have 3sqrt(3)-5*(2sqrt(3) 3sqrt(3)-10sqrt(3) (3-10)*sqrt(3) -7sqrt(3)