а) y^2 - 36 = 0(y - 6)(y + 6) = 0y = 6 или y = -6
б) 5t + 2 = 2t - 13t = -3t = -1
в) y + 3 - y/(6y) = 86y^2 + 18 - y = 48y6y^2 + 48y - 18 - y - 18 = 06y^2 + 47y - 36 = 0
(6y - 3)(y + 12) = 0y = 1/2 или y = -12
а) y^2 - 36 = 0
(y - 6)(y + 6) = 0
y = 6 или y = -6
б) 5t + 2 = 2t - 1
3t = -3
t = -1
в) y + 3 - y/(6y) = 8
6y^2 + 18 - y = 48y
6y^2 + 48y - 18 - y - 18 = 0
6y^2 + 47y - 36 = 0
(6y - 3)(y + 12) = 0
y = 1/2 или y = -12