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peacox1Posted - 3 September 2008 23:14  Show Profile
I'm not getting it!@#$%. Why does the equation where X = 3 and Y = -1, equal 16???
3X2 + 2XY -5 = ?
I'm getting:
3*3*2 + 2*3* -1 -5 = 7
18 + 6 * -1 -5
18 + -6 -5
18 + -11
7

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