Answer to Question #1404 in Geometry for colleen
x[sup]2[/sup] - 6 = 3x + 9
1
2011-01-27T08:33:29-0500
x2 - 6= 3x+9
x2 - 3x - 15= 0
D = 9 + 60 = 69
x1 = (3 + √69)/2 = 5.65
x2 = (3 - √69)/2 =-2.65
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