(x-2)(x+3)(x+1) меньше 0 (x+5)(4x+1)(x-3) больше 0 (x+5)(2x-x) больше =0 (4x-1)(x^2-4) меньше 0 (3x-2)(x-4)(3-2x) меньше 0 (x+7)(4x+3)(5-2x) больше =0

[latex](x-2)(x+3)(x+1)\ \textless \ 0 \\ x_1\ \textless \ 2 \\ x_2\ \textless \ -3 \\ x\ \textless \ -1 \\ \\ (x+5)(4x+1)(x-3)\ \textgreater \ 0 \\ x_1\ \textgreater \ -5 \\ x_2\ \textgreater \ - \frac{1}{4} \\ x_3\ \textgreater \ 3 \\ \\ (x+5)(2x-x) \geq 0 \\ (x+5)x \geq 0 \\ x+5 \geq 0 \\ x_1 \geq -5 \\ x_2 \geq 0 \\ \\ (4x-1)(x^2-4)\ \textless \ 0 \\ (4x-1)(x-2)(x+2)\ \textless \ 0 \\ x_1\ \textless \ \frac{1}{4} \\ x_2\ \textless \ 2 \\ x_3\ \textless \ -2 \\ \\ (3x-2)(x-4)(3-2x)\ \textless \ 0 \\ x_1\ \textless \ \frac{2}{3} \\ x_2\ \textless \ 4 \\ x_3\ \textless \ 1.5 \\ \\ (x+7)(4x+3)(5-2x) \geq \\ x_1 \geq -7 \\ x_2 \geq - \frac{3}{4} \\ x_3 \geq \frac{2}{5} [/latex]