Найдите корень уравнения −x=1444x+48-x=\frac{144}{4x+48}−x=4x+48144▸Ответ-6▸Решение−x=1444x+48-x=\frac{144}{4x+48}−x=4x+48144 −x=4⋅364(x+12)-x=\frac{4\cdot 36}{4(x+12)}−x=4(x+12)4⋅36 −x=36x+12-x=\frac{36}{x+12}−x=x+1236 −x(x+12)=36-x(x+12)=36−x(x+12)=36 −x2−12x=36-x^2-12x=36−x2−12x=36 x2+12x+36=0x^2+12x+36=0x2+12x+36=0 D=122−4⋅1⋅36D=12^2-4\cdot 1\cdot 36D=122−4⋅1⋅36=144−144=0=144-144=0=144−144=0 x=(−122⋅1)=−6x=\left(\frac{-12}{2\cdot 1}\right)=-6x=(2⋅1−12)=−6