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x2 + 6x + 9 = 81

x2 + 6x = 72

x2 + 6x - 72 = 0

(x+12)(x-6) = 0 x= -12, 6 (two solutions)

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โˆ™ 2009-06-05 05:06:18
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Q: X2 plus 6x plus 9 equals 81?
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