julieas julieas

22-04-2021
Mathematics

contestada

(3a+1)^{2} -4a^{2} +4a-1
can someone factorize this while explaining how please:)

Respuesta :

jimrgrant1 jimrgrant1

22-04-2021

Answer:

5a(a + 2)

Step-by-step explanation:

Given

(3a + 1)² - 4a² + 4a - 1 ← expand factor using FOIL

= 9a² + 6a + 1 - 4a² + 4a - 1 ← collect like terms

= 5a² + 10a ← factor out 5a from each term

= 5a(a + 2)

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