So 7 x = x2 -18 so you get the quadratic x^2 -7x -18 and then get 2 x -9= -18 and 2 + -9 = -7 so you get (x + 2) ( x - 9) so the positive solution would be x-9 = 0 so x= 9. Hope this helps :)
Answer:
Step-by-step explanation:
Answer:
Step-by-step explanation:
5,500$ lol
This has 6 surface areas ok zzmznznznznzjjznznsnjsowowokwkwnendmdmdmdm
7w + 4h + 10w + 15h - 2w - 2h
= 15w + 17h
