1) 2X + 7 = 0
2X = - 7
X = - 3.5
2) X - 2 = 0 --> X = 2
1)(2х+7)=0
2х=-7
х₁=-7/2=3½
2)(х-2)=0
х₂=2
ответ:х₂=3½
1) 2X + 7 = 0
2X = - 7
X = - 3.5
2) X - 2 = 0 --> X = 2
1)(2х+7)=0
2х=-7
х₁=-7/2=3½
2)(х-2)=0
х₂=2
ответ:х₂=3½