Answer:
Subtracting polynomials is simply subtracting the like terms
(x-2)-(6x-9)
First you want to subtract your x from 6x
x-6x= -5x
Than you would subtract -2 and -9
-2- -9=7
-2+9=7
Your final answer would be
-5x+7
Hope this helps ;)
Step-by-step explanation: