Find the value of x

`| [ x , -3 ] , [ -1 , x + 2 ] | = 0`

Find the value of x if: 2^(x-3)=1

Find the value of x if |[x,3],[1,2]|=0

Find the value of x : 3 (x-2) = 2 (x+1)-3

Find the value of 5x^2-3x+7 at x=0

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

Find the value of x, if |[(3+x), 5, 2],[1, (7+x), 6], [2, 5, (3+x)]| = 0

Find the value of x if 2x^(2)+6|x| +3=0

Find the value of x if 2^(2x-1)=8^(x-3)

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]|

Find the value of X: 8x^(2)+10x+3=0