( 2a + 3 ) ( 5a – 2 ) = … ?
Penjelasan dengan langkah-langkah:
( 2a + 3 ) ( 5a – 2 )
= (2a × 5a) – (2a×2) + (3×5a) – (3×2)
= 10a² – 4a + 15a – 6
= 10a² + 11a – 6
( 2a + 3 ) ( 5a – 2 )
= 2a(5a-2) + 3(5a-2)
= 10a² – 4a + 15a – 6
= 10a² + 11a – 6
( 2a + 3 ) ( 5a – 2 ) = … ?
Penjelasan dengan langkah-langkah:
( 2a + 3 ) ( 5a – 2 )
= (2a × 5a) – (2a×2) + (3×5a) – (3×2)
= 10a² – 4a + 15a – 6
= 10a² + 11a – 6
( 2a + 3 ) ( 5a – 2 )
= 2a(5a-2) + 3(5a-2)
= 10a² – 4a + 15a – 6
= 10a² + 11a – 6