SOLUTION: The quadratic equation x²+bx+9=0 has a unique solution if b= -6 or if b=___?
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Question 1172676
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The quadratic equation x²+bx+9=0 has a unique solution if b= -6 or if b=___?
Answer by
ikleyn(52781)
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. . . or if b= 6 (due to the similar reason as for b= -6).
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