If one root of the equations `x^(2)+bx+12=0andx^(2)+bx+q=0` be 2, then find the value of q.

If one of the common root of the quadracti equations x^2+bx+12=0 and x^2+bx+c=0 is 2, then find the vaue of c.

If the difference between the corresponding roots of the equations x^(2)+ax+b=0 and x^(2)+bx+a=0(a≠b) is the same, find the value of a+b .

If the difference between the corresponding roots of the equations x^(2)+ax+b=0 and x^(2)+bx+a=0(a!=b) si the same, find the value of a+b .

If one root is common is equations x^(2)-ax+b=0 and x^(2 ) +bx-a=0 , then :

If one root is common is equations x^(2)-ax+b=0 and x^(2 ) +bx-a=0 , then :

If the one root of x^2+bx+12=0 is 2 and roots of x^2+bx+q=0 are equal , then find the value of q.

If the equations x^(2)-bx+3=0 and x^(2)-2bx+15=0 has one root common then value of b is

If the equations x^(2)-bx+3=0 and x^(2)-2bx+15=0 has one root common then value of b is

If p and q are the roots of the quadratic equation x^(2)+px-q=0 , then find the values of p and q.

If the equations x^(2)-bx+3=0 and x^(2)-2bx+15=0 has one root common then value of b is ?