SOLUTION: Could you please help me with simplification of radicals y cube root(56x) - cube root(189 x y^3) thank you!

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Question 440060: Could you please help me with simplification of radicals
y cube root(56x) - cube root(189 x y^3)
thank you!

Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
y cube root(56x) - cube root(189 x y^3)
y cube root(8*7x) - cube root(27*7 x y^3)
y cube root(2^3*7x) - cube root(3^3*7 x y^3)
pull out 2^3, 3^3 & y^3
2y cube root(7x) -3y cube root(7x)
-y cube root(7x) (ans)