Question

7. Find rational roots of the polynomial f (x)=2x+x -7x-6​

Answer 1

Answer:

All of the roots are rational:

−

1

2

,

−

1

, and

1

Step-by-step explanation:

Usually, it is hard to find the zeros of third-degree polynomials. However, for this one, we can do so by a special trick

Answer 2

Answer:

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