Tìm x :

1, \(\left(3x+2\right)^2-\left(2x-1\right)\cdot\left(2x+1\right)=5\cdot\left(x-2\right)^2\)

2, \(\left(x+2\right)^2-\left(x+3\right)\cdot\left(x-1\right)=5x\)

3, \(\left(3x-1\right)\cdot\left(x-3\right)+\left(x-2\right)^2=\left(2x-5\right)^2\)

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