Tìm x
1. (x-2)2 - (x+3)2 - 4(x+1) = 5
2. (2x-3)(2x+3) - 3x(x-5) = -44
3. (5x+1)2 - (5x+3)(5x-3) = 30
4. (x+3)(x2-3x+9) - x(x-2)(x+2) = 15
5. (x+2)3 - x(x-3)(x+3) - 6x2 = 29
6. x3 - 16x =0
7. (x-1)(x+2)-x-2 = 0
8. x(2x-3) - 2(3-2x) = 0
9. 2x(x-3) - x+3 = 0
10. (2x-1)2 — (1-2x)= 0
Giải giúp mình bài này nha
\(2x\left(x-3\right)-x+3=0\)
<=> \(2x\left(x-3\right)-\left(x-3\right)=0\)
<=> \(\left(x-3\right)\left(2x-1\right)=0\)
<=> \(\orbr{\begin{cases}x=3\\x=\frac{1}{2}\end{cases}}\)
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