bài 1: tìm x biết a, x. (x +1/2)=0 b, (x +2/5)^2 . ( x^2+7 ) 0 d, |2x +1| = 2.x+1 e, |3-5.x|+3 = 5x f, |x+2| + |2x+

October 13, 2020 by Acacia

bài 1: tìm x biết
a, x. (x +1/2)=0
b, (x +2/5)^2 . ( x^2+7 ) 0
d, |2x +1| = 2.x+1
e, |3-5.x|+3 = 5x
f, |x+2| + |2x+1| = 4x
PLEASE !!!! HELP ME