Answer:
Could you post the question in the comments?
Step-by-step explanation:
Answer:
A. x^2+6x-15
Step-by-step explanation:
(3x^2+2x-8)-(2x^2-4x+7) distribute the negative sign
3x^2+2x-8-2x^2+4x-7 combine like terms and simplify leaves us with the answer;
x^2+6x-15
Answer:
X=0
Step-by-step explanation:
most likely it's zero i also double checked it too so I think,you should be good.
It is 3/9 because when you multiply 2/9you get 4/9 and when you go from 2 to 7 you get 3 and don’t change the denominator