Tìm x:

a.\(5x-3\left\{4x-2\left[4x-3(5x-2)\right]\right\}=182\)

b.\(\left(x+2\right)\left(x+3\right)-\left(x-2\right)\left(x+5\right)=0\)

c.\(\left(2x+3\right)\left(x-4\right)+\left(x-5\right)\left(x-2\right)=\left(3x-5\right)\left(x-4\right)\)

Giúp mk vs!!

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