I need help graphing the right points so please send a picture of the graph also

In the xy-coordinate plane, the graph of the equation y = 3x2 - 12x – 36 has zeros
at x = a and x = b, where a Part A: Graph the function.

I need help graphing the right points so please send a picture of the graph also In the xycoordinate plane the graph of the equation y 3x2 12x 36 has zeros at x class=