Sagot :
Answer:
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Step-by-step explanation:
The Fundamental Theorem of Algebra states that the degree of a polynomial is the maximum number of roots the polynomial has. A third-degree equation has, at most, three roots.
So:
1. 3
2. 4
3. 3
4. 0
5. 1
6. 4
The first one has 2 roots -4 and 1 so to find that you complete the equation giving you (x + 4) (x - 1) = 0 then solve for x to make the equation true