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Mathematics, 28.01.2020 21:13 luusperezzz

P=−4b ^2+6b−9
q=7b ^2−2b−5
p − q =

answer is : −11b^2+8b−4

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Answers: 3

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You know the right answer?
P=−4b ^2+6b−9
q=7b ^2−2b−5
p − q =

answer is : −11b^2+8b−4...
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