( x^2+8x-12)^2-4x^4-4x^2-1=0 помогите решить
(x²+8x-12)²-(4x^4+4x²+1)=0 (x²+8x-12)²-(2x²+1)²=0 (x²+8x-12-2x²-1)(x²+8x-12+2x²+1)=0 (-x²+8x-13)(3x²+8x-11)=0 x²-8x+13)=0 D=64-52=12 x1=(8-2√3)/2=4-√3 x2=4+√3 3x²+8x-11=0 D=64+132=196 x3=(-8-14)/6=-11/3 x4=(-8+14)/6=1