Question 152928
Make a table labels x and f(x) or y.
Choose an x. Plug it into the equation, that's your f(x) or y value.
Each x will have a y value. 
Graph the points.
Connect the points. 
I'll start at x=-5 and go in steps of 1 to x=5.
x,f(x)
-5,-85
-4,-57
-3,-35
-2,-19
-1,-9
0,-5
1,-7
2,-15
3,-29
4,-49
5,-75
.
.
.
Graph the points.
{{{drawing( 300, 300, -5, 5, -100, 100,grid( 1 ),
circle(-5,-85,.1),
circle(-4,-57,.1),
circle(-3,-35,.1),
circle(-2,-19,.1),
circle(-1,-9,.1),
circle(0,-5,.1),
circle(1,-7,.1),
circle(2,-15,.1),
circle(3,-29,.1),
circle(4,-49,.1),
circle(5,-75,.1)) }}} 
.
.
.
Connect the points. 
{{{drawing( 300, 300, -5, 5, -100, 100,grid( 1 ),
circle(-5,-85,.1),
circle(-4,-57,.1),
circle(-3,-35,.1),
circle(-2,-19,.1),
circle(-1,-9,.1),
circle(0,-5,.1),
circle(1,-7,.1),
circle(2,-15,.1),
circle(3,-29,.1),
circle(4,-49,.1),
circle(5,-75,.1),
graph( 300, 300, -5, 5, -100, 100, -3x^2+x-5)) }}}