How do you simplify #sqrt(9x^4) +sqrt(16x)#?

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Answer 1 · 2015-05-16T13:15:45

You can start by the first square root:
#sqrt(9x^4)=3x^2#
The second root gives you:
#sqrt(16x)=4sqrt(x)#
So:
#sqrt(9x^4)+sqrt(16x)=3x^2+4sqrt(x)#