cepat kak di jawab besok di bahas
Jawaban:
9. 2a²-8a-8
-4a+9a-6
--------------- +
-2a+a-14
10. (-5z²+2x-18)-(-15x²-9x+12)
-5x²+2x-18+15x²+9x-12
10x²+11x-30
[answer.2.content]
Jawaban:
9. 2a²-8a-8
-4a+9a-6
--------------- +
-2a+a-14
10. (-5z²+2x-18)-(-15x²-9x+12)
-5x²+2x-18+15x²+9x-12
10x²+11x-30
[answer.2.content]