Question

(5х+1)(2х-3)=(10х-9)(х+2)

Answer 1

(5х+1)*(2х-3)=(10х-9)*(х+2)
10х²+2х-15х-3=10х²-9х+20х-18
-13х-3=11х-18
-13х-11х=-18+3
-24х=-15
х=1524=(сокращаем)=58
Ответ-----(х=58)