+0  
 
0
566
1
avatar

how do i solve 4x^2-6=57

 Jan 10, 2017
 #1
avatar+37170 
+5

FIRST add 6 to both sides of the equation and you will have

4x^2 = 63       now divide both sides by 4

x^2 = 63/4     sqrt both sides

x = +- sqrt(63/4)=  +- sqrt63)/2  = +- 3/2  sqrt 7

 Jan 10, 2017

2 Online Users

avatar