find all the zeros of the polynomial x^4+ x^3 - 34x^2- 4 x + 120 if two of its zeros are 2 and -2.
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Answer:
divide by (x+2) first
then (x-2)
you will get a quadratic x^2+x-30
factor the quadratic
answer = -6 and 5
Step-by-step explanation:
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