Question 864561
{{{(1/4)x^2=25}}}


{{{((1/2)x)^2=5^2}}}

{{{((1/2)x)^2-5^2=0}}}


{{{((1/2)x-5)((1/2)x+5)=0}}}


x/2 = 5 

OR x/2 =-5

Therefore x= 10 OR x=-10