Question

$( - 4 \times - 2).( - \times - 1) \geqslant 0$

Answer 1

$( - 4 \times - 2) \times ( - x - 1) \\ 4x + 1 + 2x + 2 \\ 4x + 2x + 3 \\ 6x = 3 \\ x = \frac{3}{6} \\ x = 0.5$