Question

if 2 is a root of the equation x^2+kx+12=0 and the equation x^2 + kx + q=0 has equal roots, find the value of q

Answer 1

substitute first 2 in x then we will find the value of k then substitute x and k in another equation which we have to find Q value then we get the answer. kvalue is -8 and the value of Q is 12

Answer 2

Q=12...refer to the pic below for solution