Question 61940
Graph Y=2(x+3)(x-4)^2 and label all intercepts?????
:
y = (2x + 6)(x^2 - 8x + 16); multiply
:
y = 2x^3 - 10x^2 - 16x + 96
:
Simplify. /2
y = x^3 - 5x^2 - 8x + 48
:
Graph:
{{{ graph( 300, 200, -6, 6, -10, 10, x^3 - 5x^2 - 8x + 48 ) }}}  
Note the intercepts at -3, +4