Question

3AL^2 - 12AX^2 = 0 I need to isolate x by rearranging?

Answer 1

3al²-12ax²=0

3a(l²-4x²)=0

l²-4x²=0

-4x²=-l²

4x²=l²

x²=(l²/4)

Square rooting both sides

x=(l/2)

OR

x=-(l/2)

This is your answer