If the equations `2x^(2)+kx-5=0` and `x^(2)-3x-4=0` have a common root,then the value of k is

If the equations 2x^(2)+x+k=0 and x^(2)+(x)/(2)-1=0 have common roots. Then the value of k is

If the equations x^(2)-x-p=0 and x^(2)+2px-12=0 have a common root,then that root is

If the equations x^(2) + 2x -3=0 and x^(2) + 3x-m=0 have a common root, then the non- zero value of m.

If the equations x^(2)-3x+4=0 and x(b-3x)+2x+a=0 have a common root then the absolute value of (a-b) is equal to

If the equation ax^(2) + bx + c = 0 and 2x^(2) + 3x + 4 = 0 have a common root, then a : b : c

The equation (x-2)^(4)-(x-2)=0 and x^(2)-kx+k=0 have two roots in common, then the value of k is