1)For what value of a,quadratic equation x^2(a^2-5a+6)+x(a^2-3a+2)+a^2-4 =0 will have more than two roots.

2)if the equation x^2(a^2+a-2)+x(a^2+m-3)+(a^2-1)=0 is satisfied by more than two values of x. find the values of a and m.

MENTION ALL THE STEPS .