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X = -8 ± √(8)^2 - 4(1)(12) ---------- 2(1)
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X = -8 ± √(8)^2 - 4(1)(12)
----------
2(1)

User Dharaneshvar
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1 Answer

5 votes

x=(-8\pm√(8^2-4(1)(12)))/(2(1))\\x=(-8\pm√(64-48))/(2)\\x=(-8\pm√(16))/(2)\\x=(-8\pm√(16))/(2)\\x =(-8\pm4)/(2)\\x=(-8+4)/(2) \ or \ (-8-4)/(2)\\x=(-4)/(2) \ or \ (-12)/(2)\\x=-2 \ or \ x=-6
User Patrick Gotthard
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