+0  
 
+5
155
2
avatar

(?)^2 = 9^4

Guest Feb 27, 2017

Best Answer 

 #1
avatar
+10

(?)^2 = 9^4

 

x^2 = 6,561 take the square root of both sides

x = 81

Guest Feb 27, 2017
 #1
avatar
+10
Best Answer

(?)^2 = 9^4

 

x^2 = 6,561 take the square root of both sides

x = 81

Guest Feb 27, 2017
 #2
avatar+92751 
+5

(?)^2 = 9^4

 

\((x)^2 = 9^4\\ (x)^2 = (9^2)^2\\ (x)^2 = (81)^2\\ x=\pm81 \)

Melody  Feb 27, 2017

13 Online Users

New Privacy Policy

We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive information about your use of our website.
For more information: our cookie policy and privacy policy.