20 x 2 = 40.
3 x 8 = 24
40 + 24 = 64
64 + 2 = 66
The answer is 66.
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-3/2
5x^2 + 6x + 9 + (?) = -x^2 +3x + 3 (?) = -5x^2 -6x - 9 -x^2 +3x + 3 = -6x^2 -3x -6 Ans: -6x squared +3x -6
3x + 2 = 3x + 6 This is not possible.
3x+2
I think you mean (3x ± 1)^2 = (3x+1)(3x-1)?