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22-08-2020
Mathematics

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( 4a + 1 )( 7a 2 - 3a - 5 ) simplified

Respuesta :

22-08-2020

Answer:

28a³ - 5a² - 23a - 5

Step-by-step explanation:

FOIL and Distribute Parenthesis

Step 1: Write out expression

(4a + 1)(7a² - 3a - 5)

Step 2: Distribute 4a

28a³ - 12a² - 20a

Step 3: Distribute 1

7a² - 3a - 5

Step 4: Combine

28a³ - 12a² - 20a + 7a² - 3a - 5

Step 5: Combine like terms

28a³ - 5a² - 23a - 5

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