Question

23c^2+6c и 13c2+16c
При каком значении с значения двучленов равны?

Answer 1

$23c^2+6c=13c^2+16c\\10c^2-10c=0\\c(10c-10)=0\\c=0;c=1$

Answer 2

23c^2+6c = 13c2+16c10c^2 - 10 с = 0
с(10с - 10) = 0
с=0
10с-10 = 0
10с=10
с=1