Answer:
The answer above is wrong, the line is actually supposed to be one to the left, so it would be going through (7,4) and (2,-2)
Step-by-step explanation:
Please see the pic, I'd solved your question in it.
The answer would be -x^2 + 6x - 3/2
First distribute the -3 and the - sign
6x + 24 + 5x - 6
Combine like terms
11x + 18