First I'd expand the brackets so that you can re-simplify the values, so:
(2x + 3)(3x + 4)
6x^2 + 9x + 8x + 12
6x^2 + 17x + 12
The answer A. 2x(3x + 4) + 3(3x + 4) can be simplified the same way, with 6x^2 + 8x + 9x + 12, and so the answer is A. I hope this helps!
You answer is 12 because that is where on the graph it is the most constant
It actually equals-42.50 i believe
i uploaded a vid on this here
https://www.you tube.com/watch?v=dQw4w9WgXcQ
its actually c tho..
