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Average score: 67%
(x+2)(x+6) The correct answer is "x²+8x+12"
(x-3)(x+4) The correct answer is "x²+x-12"
(x+7)(x²+2x+1) The correct answer is "x³+9x²+15x+7"
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Copyright © 2018 HubPages Inc. and respective owners.