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Please help! 57 points (:
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Jan 7, 2019
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Please help! 57 points (:
Mathematics
high-school
Sergey Alaev
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The answer would be z+15. Using the foil method to check, the two z's equal z^2. Then, there is 15 z and -6 z, which equal 9z. Then -6*15=-90.
Rrichter
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Jan 10, 2019
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I think the answer is d z+15
Keen Jin
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Jan 14, 2019
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