ClarganGif ClarganGif

06-12-2016
Mathematics

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What is the middle term of the product of (5a - 7)(2a - 1)?

-4a
-19a
-24a

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Аноним Аноним

06-12-2016

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scme1702 scme1702

07-12-2016

(5a - 7)(2a - 1)
= 10a² - 14a - 5a + 7
= 10a² - 19a + 7

Middle term = -19a

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