E
Editor
Sep 18, 2022
Find the values of $x$ if $\begin{vmatrix}3 & 1 & x \\-1 & 3 & 4 \\ x & 1 & 0 \end{vmatrix}=-30$
Difficulty: Easy
A:
$-2,3$
B:
$3,-4$
C:
$2,-3$
D:
$4,-3$
ID: 63273dbaca83163ac3a11e17