Epina9489 Epina9489

19-03-2020
Mathematics

contestada

Find the product.
(3n - 1)(7n-7)

Respuesta :

jimrgrant1 jimrgrant1

19-03-2020

Answer:

21n² - 28n + 7

Step-by-step explanation:

Each term in the second factor is multiplied by each term in the first factor, that is

3n(7n - 7) - 1(7n - 7) ← distribute both parenthesis

= 21n² - 21n - 7n + 7 ← collect like terms

= 21n² - 28n + 7

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