1. Which expression is a cubic polynomial? 3x^2 - 1 x^3 - 1 x^2 - x + 3 3x^2 - x + 3 2.Which of the following binomials is a factor of x^3 + 4x^2 +x - 6? 3. If a polynomial equation p(x) = 0 has 3 + 4i as a solution, what other solutions must it have?
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