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Which of the following equations has both 1 and −3 as solutions? a. X2 – 2x – 3 = 0 b. X2 + 2x – 3 = 0 c. X2 – 4x + 3 = 0 d. X2 + 4x + 3 = 0
answered
Jun 30, 2016
Mathematics
high-school
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