Matematika Sekolah Dasar 2.(-4a+9)–(a+3)= 3.(5a+6)–(-2a+6)=​

lucianosauerulv – March 10, 2023

2.(-4a+9)–(a+3)=
3.(5a+6)–(-2a+6)=​

Penjelasan dengan langkah-langkah:

2. = -4a + 9 - a - 3

= -5a + 9 - 3

= -5a + 6

3. = 5a + 6 - (-2a) - 6

= 5a + 6 + 2a - 6

= 7a + 6 - 6

= 7a

[answer.2.content]