Решите уравнения:а) (-2,5-х)(0,8+х)=0 и б) (56,78+у)(24-у)(-у-24)=0

(-2,5 - x )(0,8 + x ) = 0 (-5/2 - x )(4/5 + x ) = 0 -5/2 - x = 0 4/5 + х = 0 x₁ = -5/2 x₂ = -4/5 (56,78 + y)(24 -y)(-y - 24) = 0(2839/50 + y)(24-y)(-y-24) = 02839/50 + y = 024 - y = 0-y - 24 = 0 y₁ = - 2839/50 y₂ = -24 y₃ = 24