Question 855121
The whole number factorization will make the rest easier:
2(3x^2+x-2)


From there, try different simple combinations of binomial factors, the product of which give {{{3x^2+x-2}}}.
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(3x+2)(x-1)
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(3x-2)(x+1)
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(3x+1)(x-2)
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(3x-1)(x+2)
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Which of those works?