Find the value of `x` if `|[x,4],[6,+3]|=0`

Find the value of x if x^2+5x+6=0

Find the value of x if |[1,2,9],[2,x,0],[3,7,-6]|=0

Find the value of x if |[2, 1 ,x+1],[-1,3,-4],[0,-5,3]|=0

Find the value of x , if x :6::5:3

Find value of x if x^2+5|x|+6=0

Find the value of x, if 2+4+6+…+x=650.

Find the value of x if 2+4+6+...+x=650

Find the integral value of x , if |[x^2,x,1],[ 0, 2, 1],[ 3, 1, 4]|=28 .

Find the value of x , y 2x+3y=6 3x-2y=4 .

If |[1, x, x^2], [x, x^2, 1], [x^2, 1, x]|=3, then find the value of |[x^3-1, 0, x-x^4], [0, x-x^4, x^3-1], [x-x^4, x^3-1, 0]|