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

Question

1979 views around the world

You can reuse this answer
Creative Commons License

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:
$sqrt(9x^4)+sqrt(16x)=3x^2+4sqrt(x)$

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