Question

1. х2+3х = - 4х-6-х2
2. 4х(х-2)+ х2 = 6х+3
3. (х-2)2+4х2 = 4
4. (3х-2)(3х+2) = 6х+3

Answer 1

1. 2х+3х = - 4х-6-2 х

5х=-6х-6

5х+6х=6

11х=6

х=6:11

х=6/11 (дробь)