Tìm x biết

Giải giúp mình từ câu 6- 30 nhé 
Mình cảm ơn nhìu????????????
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Bài 18: Tìm x biết:
1) 4x(x+1)=8(x+1)
2) 5x(x-2)-(2−x)=0
3) x(x-1)-2(1-x)=0
4) x(x+2)-3(x+2)=0 5) 2x(x+1)-3(x+1)=0
7) 2x(x-5)-7(5-x)=0
10)5x(x-1)=x-1
13)x(x-3)-x+3=0
16) 2x(x+5)-x-5=0
19)5x(x-3)−x+3=0
22)x(2x-1)+4x-2=0
25)x(x-20)-x+20=0
28) 8x(x-5)-3x+15=0
8) 3x(x-2)+2(x-2)=0
11)x(x+2)-x-2=0
14) 2x(x-1)-x+1=0
17)x(x-3)+2x-6=0
20)x(x-3)-2x+6=0
23)x(x-4)+3x-12=0
6) x2(x-2)+3(x-2)=0
9) x(3x+2)-x(2x+3)=0
12)x(x-2)+x-2=0
15)x(x+3)-2x-6=0
26)2(x+5)-x2-5x=0
29) 3x(x-5)-2x+10=0
18)x(x-1)+2x-2=0
21)2(x+3)-x2-3x=0
24) 4x(x-2)-6+3x=0
27) 3x(x-5)-x+25=0
30) 8x(x-5)-2x+10=0