SOLUTION: Find all solutions of the equation. (Enter all answers including repetitions. Enter your answers as a comma-separated list.)
x^4 + 3x^3 − 43x^2 − 9x + 120 = 0
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-> SOLUTION: Find all solutions of the equation. (Enter all answers including repetitions. Enter your answers as a comma-separated list.)
x^4 + 3x^3 − 43x^2 − 9x + 120 = 0
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Question 1113492: Find all solutions of the equation. (Enter all answers including repetitions. Enter your answers as a comma-separated list.)
x^4 + 3x^3 − 43x^2 − 9x + 120 = 0 Answer by josgarithmetic(39625) (Show Source):
You can put this solution on YOUR website! Try checking the possible rational roots using Rational Roots Theorem and synthetic division, and you should find that 5 and -6 are roots. You can use general solution of quadratic equation to find the other two roots.
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