SOLUTION: Hello! I have this problem and not quite sure if I did it right. Write the expression in lowest terms. Assume that all variables represent positive real numbers: 54+36&#87

Algebra ->  Radicals -> SOLUTION: Hello! I have this problem and not quite sure if I did it right. Write the expression in lowest terms. Assume that all variables represent positive real numbers: 54+36&#87      Log On


   



Question 341334: Hello!
I have this problem and not quite sure if I did it right.
Write the expression in lowest terms. Assume that all variables represent positive real numbers:
54+36√21
--------
45
Will this equal:
6+4√21
------
5

or can √21 be factored more with √3 and √7?
Thank you!

Answer by mananth(16946) About Me  (Show Source):