Question

PLEASE HELP!!! URGENT!!!

Answer 1

After you reposted, I see the actual question is: 5$\sqrt{12xm^{3} }$.  I am going to leave the information below since it will be helpful for you going forward in the class.

5$\sqrt{12xm^{3} }$

= 5$\sqrt{2*2*3*x*m*m*m}$

= 5$\sqrt{(2*2)*3*x*m*(m*m)}$

= 5*2*m$\sqrt{3*x*m}$

= 10m$\sqrt{3xm}$

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I am going to assume that the problem is actually $\sqrt{512xm^{3} }$

= $\sqrt{2 * 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2 * x * m * m * m}$

Look for groups of 2 (since it is square root)

=  $\sqrt{(2 * 2) * (2 * 2) * (2 * 2) * (2 * 2) * 2 * x * m * (m * m)}$

Bring ONE of each pair outside the square root and leave the rest inside

= 2 * 2 * 2 * 2 * m  $\sqrt{ 2 * x * m}$

= 16m$\sqrt{ 2xm}$

If the question is actually "cubed root" and not square root, then do the same as above except look for groups of 3.