Question 347268
y=12x^2-5x-2
0=(3x-2)(4x+1)
(3x-2=0
3x=2
x=2/3 ans. (2/3,0)
4x+1=0
4x=-1
x=-1/4 ans. (-1/4,0)
{{{ graph( 300, 200, -6, 5, -10, 10, 12x^2 -5x -2) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, 12x^2 -5x -2).