Question 134864
simplify: 3 radical x^4y^5 times radical xy, which can be written:

3(sqrt{x^4y^5})(sqrt{xy}

Multiply separately:

sqrt{x^4y^5} times sqrt{xy} = sqrt{x^5y^6}

Then:

sqrt{x^5y^6} = sqrt{x^4}, sqrt{x}, sqrt{y^6}

sqrt{x^4} = x^2

sqrt{x} remains the same.

sqrt{y^6} = y^3

Final answer:

3x^2y^3(sqrt{x})

Got it?