Question 1170204
 f(x) = -3(x - 4)(x - 10)
-3(x - 4)(x - 10) = 0
divide both sides by -3
two solutions
x = 4
x = 10
Graphically, FOIL to: y = -3(x^2-14x+40)
{{{ graph( 300, 200, -6, 12, -10, 30, -3(x^2-14x+40)) }}}