(a-3) (a²-2a+5)= jawablah bentuk aljabar yersy​

Jawaban:

lihat lampiran gambar..

Jawaban:

= (a – 3)(a² – 2a + 5)

= a(a² – 2a + 5) – 3(a² – 2a + 5)

= a³ – 2a² + 5a – 3a² + 6a – 15

= a³ – 2a² – 3a² + 5a + 6a – 15

= a³ – 5a² + 11a – 15