Answer:
y=(x^2 -1)(x^2 +1)(x^2 -4)(x^2 -5)(x +5)(x -4)
sry, but i didn't want to multiply it out. T-T
30 meters per second
Step-by-step explanation:
2
rounded down
You keep the same sign. So:-
4 + 4 = 8 and
--4 + -4 = -8