Matematika q. (4/8)jwb UnU. [tex] \: \\ \sf \huge{\sum _{x=2}^5 \: 3x + 6} = . \: . \: .[/tex]​

jordanestoltenbergulv – June 01, 2023

q. (4/8)

jwb UnU.
[tex] \: \\ \sf \huge{\sum _{x=2}^5 \: 3x + 6} = . \: . \: .[/tex]​

Jwb :

= (3(2) + 3(3) + 3(4) + 3(5)) + 6

= (6 + 9 + 12 + 15) + 6

= (15 + 12 + 15) + 6

= (27 + 15) + 6

= 42 + 6

= 48

Penjelasan dengan langkah-langkah:

[tex]\sf{\sum _{x=2}^5 \: 3x + 6} \: \: \\ [/tex]

= (3(2) + 3(3) + 3(4) + 3(5)) + 6

= (6 + 9 + 12 + 15) + 6

= (15 + 12 + 15) + 6

= (27 + 15) + 6

= 42 + 6

= 48

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