How do I find the zeros of the polynomial function -LSB- math -RSB- f -LRB- x -RRB- = \ dfrac -LCB- 1 -RCB- -LCB- 2 -RCB- x ^ -LCB- 3 -RCB- -3 x -LSB- / math -RSB- ?
How would you find the zero of the function for -LSB- math -RSB- y = \ frac -LCB- 4x ^ 2 - 36x -RCB- -LCB- x-9 -RCB- -LSB- / math -RSB- ?