The answer is... 3 - Because... 2 - 2 = 0... 0 x 3 = 0.... 0 + 3 = 3
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You find two numbers which add to -2 and multiply to -3. These numbers are -3 and 1 so your factors are (x - 3)(x + 1), assuming your expression does in fact represent zero. x is thus either 3 or -1. Check: 32 - (2 * 3) - 3 = 0? yes; -12 - (2 * -1) - 3 = 0? yes. QED
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(-1)+(-2)=(-3) (-1)(-2)=2
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