Matematika Q: *Aljabar*(3a - b) . (10b + 2 - 4a) =....=====Final, gak jadi sampe 61K​

kristinajacobiulv – March 07, 2023

Q: *Aljabar*





(3a - b) . (10b + 2 - 4a) =....
=====
Final, gak jadi sampe 61K​

[tex](3a - b)(10b + 2 - 4a) \\ \\ = 30ab + 6a - 12 {a}^{2} - 10 {b}^{2} - 2b + 4ab \\ \\ = - 12 {a}^{2} - 10 {b}^{2} + 6a - 2b + 30ab + 4ab \\ \\ = - 12 {a}^{2} - 10 {b}^{2} + 6a - 2b + 34ab[/tex]

Jawaban:

(3a - b) . (10b + 2 - 4a) = 34ab + 6a - 12a² - 10b² - 2b

ada digambar yaaaa

Penjelasan dengan langkah langkah:

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