9y^3+8y=4y+18y^2
9y^3-18y^2+4y=0
*Divide the whole thing by y
9y^2-18y+4=0
*use quadratic formula to solve
Not completely sure, but if it has multiple choice I say -2. Wait for more answers if you want a better response.
Answer: 9;0;-3
Step-by-step explanation:
Danny's score at the end of the game is 30 because:
We started our with 10 points.
He loses 20 points, which brings him down to -10 points.
In the final round he earned 40 points. 40 minus the negative ten points gives us an answer of 30 points.