1. (6x^ + x – 8) + (x^ – 4x + 6)=

Jawaban:

1. 7x² – 3x – 2

2. -4y² + 3y + 4

Penjelasan dengan langkah-langkah:

1. (6x² + x – 8) + (x² – 4x + 6)

= 6x² + x – 8 + x² – 4x + 6

= 7x² – 3x – 2

2. (6y² – 2) – (10y² – 4y – 6)

= 6y² – 2 – 10y² + 3y + 6

= -4y² + 3y + 4