b. -2x + 6
c. 10x – 10
d. -10x + 10
Jawaban: c. 10x – 10
Pembahasan:
= ( 3x2 + 4x – 2 ) – ( 3x2 – 6x + 8 )
= 3x2 + 4x – 2 – 3x2 + 6x – 8
= 3x2 – 3x2 + 4x + 6x – 2 – 8
= 10x – 10
b. -2x + 6
c. 10x – 10
d. -10x + 10
Jawaban: c. 10x – 10
Pembahasan:
= ( 3x2 + 4x – 2 ) – ( 3x2 – 6x + 8 )
= 3x2 + 4x – 2 – 3x2 + 6x – 8
= 3x2 – 3x2 + 4x + 6x – 2 – 8
= 10x – 10
Editor: Annisa Fadilla