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Example problems
x² + bx + 56 = 0, roots 8 and 7. What is b?
x² + bx + 8 = 0, roots 1 and 8. What is b?
x² -12x + ? = 0, positive integer roots. Product of roots?
x² -13x + ? = 0, positive integer roots. Product of roots?
x² + bx + 54 = 0, roots 9 and 6. What is b?