Materi : Bentuk Aljabar
5a + 7b - ( 2a - 3b )
= 5a + 7b - 2a + 3b
= 3a + 10b
---
8a - 3b + 6 - ( - 10a + 9b - 5 )
= 8a - 3b + 6 + 10a - 9b + 5
= 18a - 12b + 11
- 3a( 5a + 2b ) - [ 9a( 2a - 3b ) ]
= - 15a² - 6ab - 18a² + 27ab
= - 33a² + 21ab
Semoga bisa membantu
[tex] \boxed{ \colorbox{darkblue}{ \sf{ \color{lightblue}{ answered\:by\: BLUEBRAXGEOMETRY}}}} [/tex]
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Materi : Bentuk Aljabar
5a + 7b - ( 2a - 3b )
= 5a + 7b - 2a + 3b
= 3a + 10b
---
8a - 3b + 6 - ( - 10a + 9b - 5 )
= 8a - 3b + 6 + 10a - 9b + 5
= 18a - 12b + 11
---
- 3a( 5a + 2b ) - [ 9a( 2a - 3b ) ]
= - 15a² - 6ab - 18a² + 27ab
= - 33a² + 21ab
---
Semoga bisa membantu
[tex] \boxed{ \colorbox{darkblue}{ \sf{ \color{lightblue}{ answered\:by\: BLUEBRAXGEOMETRY}}}} [/tex]