2x⁴-2x²=3,2(Три, вторые)

[latex]2 x^{4} -2 x^{2} = \frac{3}{2} x^{2} =t, t \geq 0. 4t^{2} -4t-3=0. D=(-4)^2-4*4*(-3)=16+48=64=8^2. t_{1}= \frac{4+8}{8} = \frac{3}{2}. t_{2} = \frac{4-8}{8} = \frac{-1}{2} . x^{2} = \frac{3}{2}  . [/latex][latex]x_1= \sqrt{ \frac{3}{2} } x_2= -\sqrt{ \frac{3}{2} } [/latex]