Question 48288
Use the discriminant to determine if the equation can be solved by factoring. If the equation can be solved by factoring, then factor it.
9k^2+6k+1=0
discr.=(6)^2-4*9*1=36-36=0....perfect square...equal roots ....equal to ...-6/2*9=-6/18=-1/3
hence.....9k^2+6k+1=(3k+1)^2