How do you simplify #3sqrt x * 3 sqrt x#?

Question

4459 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2018-07-21T23:58:15

#9x#

Since we are multiplying the same thing, we can rewrite this as

#(3sqrtx)^2#, which is equal to #3^2*(sqrtx)^2#

This simplifies nicely to

#9x#

Another way we can go about this is rewrite the original expression as

#3*3*sqrtx*sqrtx#, which simplifies to

#9x#

Hope this helps!