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 :)
Combine like terms to get 2y2-2y+4x
Answer:
1.79% chance or 
Step-by-step explanation:
7+3+4=14
chance of yellow 
chance of orange 

Answer:
Its 2.5 percent ladd enjoy
Step-by-step explanation: