6 – 2(3х – 9) = - 4х; 5 (2х +2) – 5х = 13; (х – 9)(х+13) - вопрос №1401304462394522513913043210 от ЖибекСуонн3 26.09.2022 05:05

Question

Математика: 6 – 2(3х – 9) = - 4х; 5 (2х +2) – 5х = 13; (х – 9)(х+13) = 0; (4х+3)(2х–1) = 0.

ЖибекСуонн3 · Answer

1) 6-6х+18= -4х-6х+4х= -18-6-2х= -24х= -24:(-2)х=122) 10х+10-5х=135х=13-105х=3х=3/53) х-9=0х1=0х+13=0х2= -134) 4х+3=04х= -3х1= -3/42х-1=02х=1х=1/2...