Add rational expressions

(X^2-x)/(x^2+9X-10) + 3/(x+10)

Juanita wade's new car has an msrp of $28,902.11 including title and processing fees. the premier package which includes surround sound and dvd player costs three times the amount of the in-style package which includes leather seats and select wheels. the total cost of her new car was $34,290.08 which included the 6.5% sales tax. find the cost of the premier package to the nearest cent.

Find the value of x to the nearest tenth.

With this question, the answer with the red arrow is incorrect!