Toán A=(1-2x)(2x-1)-(1+3x)-(2x-1)(3-2x)tại x = 1 09/09/2021 By Lyla A=(1-2x)(2x-1)-(1+3x)-(2x-1)(3-2x)tại x = 1
A= (1-2x)(2x-1)-(1+3x)-(2x-1)(3-2x) tại x=1
A= (1-2.1)(2.1-1)-(1+3.1)-(2.1-1)(3-2.1)
A= -6