(2x+3)(5x-3)-(2x+3)(2x+6)=0
(2х+3)(5х-3-(2х+6))=0
(2х+3)(5х-3-2х-6)=0
(2х+3)(3х-9)=0
2х+3=0
3х-9=0
х=-3/2
х=3
Ответ х1=-3/2 , х2=3
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(2x+3)(5x-3)-(2x+3)(2x+6)=0
(2х+3)(5х-3-(2х+6))=0
(2х+3)(5х-3-2х-6)=0
(2х+3)(3х-9)=0
2х+3=0
3х-9=0
х=-3/2
х=3
Ответ х1=-3/2 , х2=3