Даю 25 баллов за уравнение!!! (8х+10)(3-х)=(11-2х)(4х+5)-5
(8х+10)(3-х)=(11-2х)(4х+5)-5 24х-8х^2+30-10х=44х+55-8х^2-10х-5 24х+30-10х=44х+55-10х-5 24х+30=44х+55-5 24х+30=44х+50 24х-44х=50-30 -20х=20 х=20:(-20) х=-1