wjung730 wjung730

16-09-2021
Mathematics

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tìm x biết
1) 2x(x-8)+x-8=0
2) 2x^3-32x=0
3) 5x(x-2021)-x+2021=0

Respuesta :

qw17241 qw17241

16-09-2021

Answer:

C) x – 2). 2 ... -2x ≤ 2. ⇔ x ≥ -1. Tập nghiệm S = {x | x ≥ -1}. Bài 2. Gọi x (km) là quãng đường

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