Answer:
93.60 would be the last price while
23.4 would be the subtracted price
Step-by-step explanation:
20 percent move the decimal over 2 places to the right and get 0.2
then multiply 117 by 0.2 and get the last answer
This is hard to understand , do u have a photo
So start by putting the negative sign into the second polynomial.
-(6x^2-2x-9)
-6x^2+2x+9
then combine like terms with the first polynomial
5x^3+4x^2-6x^2-2x+9
and you will get
5x^3-2x^2+2x+9
Hope this helps you.