(1 ĐI M)ỂB) (6X2 5).(2X + 3) = 6X2(2X +3) 5(2X +3)0.25 ĐI MỂ ...
Câu 1(1 đi m)ểb) (6x
2
5).(2x + 3) = 6x2
(2x +3) 5(2x +3)0.25 đi mể = 6x2
.2x + 6x2
.3 – 5.2x 5.3 = 12x3
+ 18x2
10x – 15a) 5ax – 10ay = 5a(x – 2y)0.5 đi mể