Maybe you should contact your teacher
Answer:
9x^3-17x^2-x+7
Step-by-step explanation:
Distribute the negative you'll get
(12x^3-8x^2)+(-3x^3-9x^2-x+7)
Combine like terms
12x^3-3x^3=9x^3 , -8x^2-9x^2=-17x^2 , -x , +7
Putting it all together:
9x^3-17x^2-x+7
Answer:
1.
Step-by-step explanation:
*20/2 = 10
*10/2 = 5
*5/2 = 2.5 [Can simplify it down to 2.]
*2/2 = 1
-The rule for this sequence is divide by 2.
I have no idea. I wish I could help but I can’t because I’m in 6th grade