Question: Please help with 19-22. Please show your work. Thank you 19. Use the Rational Zero Theorem to help you solve the polynomial equation 2x3-3x2 -18x-8

Please help with 19-22. Please show your work. Thank you

19. Use the Rational Zero Theorem to help you solve the polynomial equation 2x3-3x2 -18x-8 = 0. 20. Use the Rational Zero Theorem to help you solve the polynomial equation 3x3+11x2+8x4= o. 21. Use your work done in #20 to draw a rough sketch of f(x) = 3x3 + 11):2 + 8x 4. 22. Use the Rational Zero Theorem to help you solve the polynomial equation 2):4 - 17x3 + 46x2 - 43x + 12 = 0

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