If `| [ 7 , -x , 2 ] , [ 1 , 4 , 0 ] , [ 3 , 5 , -2 ] |` = 4 , then find the value of x

If | [ x , 2 , 4 ] , [ 3 , -1 , 2 ] , [ 4, 5 , 1 ] | = 0 , find the value of x

If x=-3 find the value of 4x^2-5x+3

Find the value of 7 1/2=4/x

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

If |[2,3,2],[x,x,x],[4,9,1]|+3=0 , then find the value of x.

If 2[[3,4] , [5,x]] + [[1,y] , [0,1]] = [[7,0] , [10,5]] then find the value of (x-y)

If 5x^(2) + 4xy + y^(2) + 2x + 1= 0 then find the value of x, y

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]|

If x=7-4sqrt(3) then find the value of x^(2)-(1)/(x^(2))

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