Решить уравнения (х + 3)(х - 7) = 0
(х - 5)(11 - х) = 0
х(3х – 4) = 0
(2у – 1 )(3у + 7) = 0
(8 + 3х)(2х – 1) = 0
(2х + 0,5)(2,2х + 3) = 0

Question

Алгебра: Решить уравнения (х + 3)(х - 7) = 0 (х - 5)(11 - х) = 0 х(3х – 4) = 0 (2у – 1 )(3у + 7) = 0 (8 + 3х)(2х – 1) = 0 (2х + 0,5)(2,2х + 3) = 0

katrin20005 · Answer

x1 = -0.25x2 = -3/2.2Объяснение:2x + 0.5 = 0  или  2.2x + 3 = 02x = -0.5                2.2x = -3x1 = -0.25               x2 = -3/2.2...