10y^2 - 2y - 14 + 2y - 0.4 = 010y^2 - 14 - 0.4 = 010y^2 - 14.4 = 0y^2 = 1.44y = ±1.2
Therefore, the solutions are y = 1.2 and y = -1.2.
10y^2 - 2y - 14 + 2y - 0.4 = 0
10y^2 - 14 - 0.4 = 0
10y^2 - 14.4 = 0
y^2 = 1.44
y = ±1.2
Therefore, the solutions are y = 1.2 and y = -1.2.