Question 109585
(k+3)x^2 + 2kx + 4 = 0.
kx^2+3x^2+2kx+4=0
kx^2+2kx=-3x^2-4
k(x^2+2x)=-3x^2-4
k=(-3x^2-4)/(x^2+2x)
Ed