(-b ± √(b² -4ac)) / 2a
(-7 ± √(7² -4*3*-13)) / 2*3
= (-7 ± √(205)) / 6
x =
(-7 + √(205)) / 6 ≈ 1.22
or (-7 - √(205)) / 6 ≈ -3.55
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Verified answer
(-b ± √(b² -4ac)) / 2a
(-7 ± √(7² -4*3*-13)) / 2*3
= (-7 ± √(205)) / 6
x =
(-7 + √(205)) / 6 ≈ 1.22
or (-7 - √(205)) / 6 ≈ -3.55