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Find integer bounds for the roots of the following equation: 3x^5-11x^4-2x^3=38x^2-21x-15

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We want bounds for the roots of

3x^5 - 11x^4 - 2x^3 - 38x^2 + 21x + 15 = 0

A little synthetic division reveals that the any real roots are between -1 and 5

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