Creating a parabola in stand form need help. I’m putting up 20 points for this

Sketch the parabola showing the y-intercept and the x-intercepts. We have seen that if a parabola is in the form y = (x − h)2 + d, then we can find its vertex, its axis of symmetry, and produce a sketch with little effort. Quadratic functions are, however, generally given in the expanded form y = x2 + bx + c.