>>12507120learn how to solve quadratic equations
notice that some equations have 2 solutions, some have 1 solution, and some have no solution
read something about functions and graphs
learn what a quadratic function is and that its graph is a parabola
notice that a parabola either intersects the horizontal x-axis in 2 points, or in 1 point, or it doesn't intersect it at all
figure out the relationship between these two facts. if you get some kind of satisfactory "oh yes, this makes sense", then you might enjoy learning math.
