Answer:
Step-by-step explanation:
The only way I think to answer this (although I gotta say it's worded kind of strangely) is to factor it. If
[tex]4x^2-16=0[/tex] then
[tex]4x^2=16[/tex] and
[tex]x^2=4[/tex]
That means that, taking the square root of both sides, gives you that
x = ±2
