+0  
 
0
190
2
avatar+3444 

Help.

NotSoSmart  Nov 3, 2017
 #1
avatar+556 
+2

5i; you are taking the square root of a negative number, so you can remove the negative and multiply it on the outside by i. There is no minus sign in front, so the answer will be 5i.

helperid1839321  Nov 3, 2017
 #2
avatar+89876 
+2

√ [ -25]  =

 

√ [ -1 * 25] =

 

√-1  * √25  =

 

i * 5  =

 

5 i

 

 

cool cool cool

CPhill  Nov 3, 2017

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