Answer: 7/21 for blue and 6/21 for yellow. so 7/14
Step-by-step explanation:
The polynomial x3+8 is equal to (x+2)(x2-2x+4)
1/3(9x) =3x
1/3(18) =6
3x+6-5
Then you do
-(x)=-x
-(3)=-3
5x-x-3 = 4x-3
4x-3=3x+6-5
4x-3=3x+1
x=4
You can multiply or you can estimate it!
Hope I could help