1) x
2 – 7x = 0
2) 2x2 – 6x = 0
3) x
2 + 2x = 0
4) 8x2 – 4x = 0
5) 2x(x + 3) + 5(x + 3) = 0
6) 3x(x – 1) + 6( x –1) = 0
7) x(x – 4) +(x – 4)(3x + 1) = 0
8) (x + 1)2 – 3(x + 1) = 0
9) 3x(2x – 8) – (2x – 8)2 = 0
10) x(x + 2) – 3(–x – 2)= 0
11) x(1 – x) – (x – 1) = 0
12) x(2x –3) – (x – 4)(2x –3) = 0
Loga
Sinh Học lớp 12
