Using <span>Descartes' rule of signs.
There are 4 changes of signs of coefficients:
+ to - (+x^6-x^5)
- to + (-x^4+4x^3)
+ to - (+4x^3-12x^2)
- to + (-12x^2+12)
Therefore, there are 4,2 or 0 positive roots </span><span><span>at most</span>. So it must be the third answer.
</span>
Answer:
30 Tabs?
Step-by-step explanation:
Not so sure on this, I just divided 45/1.5.
(-6.5,0)
I hope this helps!
Answer:x greater than -9
Step-by-step explanation:
