1 ; x² ; 6 - x²
С одной стороны :
С другой стороны :
Приравняем правые части :
0\\\\x^{4}=6-x^{2}\\\\x^{4}+x^{2}-6=0\\\\(x^{2}+3)(x^{2}-2)=0\\\\1)x^{2} -2=0\\x^{2}=2\\\\x_{1}=-\sqrt{2} \\\\x_{2}=\sqrt{2} \\\\2)x^{2}+3=0\\\\x^{2}=-3<0" alt="x^{2}=\frac{6-x^{2} }{x^{2} },x^{2}> 0\\\\x^{4}=6-x^{2}\\\\x^{4}+x^{2}-6=0\\\\(x^{2}+3)(x^{2}-2)=0\\\\1)x^{2} -2=0\\x^{2}=2\\\\x_{1}=-\sqrt{2} \\\\x_{2}=\sqrt{2} \\\\2)x^{2}+3=0\\\\x^{2}=-3<0" align="absmiddle" class="latex-formula">
решений нет
Ответ : при x = - √2 и x = √2