Question
Factor the polynomial and use the factored form to find the zeros. Then sketch the graph.$$P(x)=x^{3}+3 x^{2}-4 x-12$$
Step 1
The possible rational roots are the factors of the constant term (-12) divided by the factors of the leading coefficient (1). Thus, the possible rational roots are ±1, ±2, ±3, ±4, ±6, ±12. Show more…
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