+0  
 
0
338
1
avatar

how do you solve 8a^2-72=0

Guest Jul 10, 2015

Best Answer 

 #1
avatar+17743 
+5

8a2 - 72  =  0

Add 72 to both sides:

8a2  =  72

Divide both sides by 8:

a2  =  9

Find the square root of both sides;

a  =  3     or     a  =  -3

geno3141  Jul 11, 2015
 #1
avatar+17743 
+5
Best Answer

8a2 - 72  =  0

Add 72 to both sides:

8a2  =  72

Divide both sides by 8:

a2  =  9

Find the square root of both sides;

a  =  3     or     a  =  -3

geno3141  Jul 11, 2015

14 Online Users

avatar
avatar

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.