Question

when x=-2. 3x^3-2x^2-3x-1=0

Answer 1

$x = - 2 \\ 3 {x}^{3} - 2 {x}^{2} - 3x - 1 \\ 3( { - 2})^{3} - 2( { - 2})^{2} - 3 ( - 2) - 1 \\ - 24 - 8 + 6 - 1 \\ - 32 + 5 \\ - 27$