Answer:
Well what's half of 55?
Step-by-step explanation:
just find what 2 number make 55. Well half of 55 if 27.5 so then you put that into your chart and that should help you move along the rest! Hope this helps!
X= 7
-3x(x+5)(x-4)
y=-3x^3 -3x^2 +60x
=-3x (x^2 -x -20)
= -3x (x-4)(x+5)