We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive pseudonymised information about your use of our website. cookie policy and privacy policy.
 
+0  
 
0
493
1
avatar

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

 Jul 10, 2015

Best Answer 

 #1
avatar+17776 
+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

 Jul 11, 2015
 #1
avatar+17776 
+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

11 Online Users