Пошаговое объяснение:
0\\D=\sqrt{64}=8\\\\ x_{1}=\frac{12-8}{2*4}=\frac{4}{8}=\frac{1}{2}=0.5\\\\x_{2}=\frac{12+8}{2*4}=\frac{20}{8}=\frac{5}{2}=2.5" alt="4sin^{2}x-12sinx+5=0\\\\ D=(-12)^{2}-4*4*5=144-80=64\\ D=64>0\\D=\sqrt{64}=8\\\\ x_{1}=\frac{12-8}{2*4}=\frac{4}{8}=\frac{1}{2}=0.5\\\\x_{2}=\frac{12+8}{2*4}=\frac{20}{8}=\frac{5}{2}=2.5" align="absmiddle" class="latex-formula">
