y^2=3y+4
y^2-3y-4=0
(y+1)(y-4)=0
y=-1,4
y can't be negative because it's the result of a square root
Answer D
y^2-3y-4=0
(y+1)(y-4)=0
y=-1,4
y can't be negative because it's the result of a square root
Answer D
