Answer:
x=2
Step-by-step explanation:
By visual analisis, doing the matrix multiplication...
Multiply the rows of the first matrix by the columns of the second
[tex]\left[\begin{array}{ccc}2(-9)+(-4)(-3)&2(2)+(-4)1\\0(-9)+2(-3)&0(2)+2(1)\\\end{array}\right] \\\\\left[\begin{array}{ccc}-6&0\\-6&2\\\end{array}\right] \\\\x=2[/tex]
