<span> (x-12)(x+12)=x</span>²-144
--------------------
(n^2-4n+4)/n^2=n^2/n^2 -4n/n^2+4/n^2=1-4/n+4/n^2;
n=-1;n=1;n=-2;n=2
<span>(4x-1)^2-(4x-1)-12=0
16x^2-8x+1-4x+1-12=0
16x^2-12x-10=0
2(8x^2-6x-5)=0
2(8x^2+4x-10x-5)=0
2(4x*(2x+1)-5(2x+1))=0
2(4x-5)*(2x+1)=0
(</span><span>4x-5)*(2x+1)=0
</span><span>
4x-5=0 x1=5/4
2x+1=0 x2=-(1/2)
</span>
X:6=58429
x=58429×6
x=350574