1) 3(2x-3)-4(x+3)=10
2) (x+2)(x-4)=(x-3)(x+1)
3) 2/(x-5) +1/(x+2) = 1/(x²-3x-10)
4) x/(x+1) -1 = (-3x+2)/(x²+2x+1)
5) x^4 ²-5x²+6=0
6) x³+6x²+5x=0
7) √(x²+12)=(x+2)
8 ) x²-13x+12≤0
9) (x+3i)/(x-2i)
10) |2x-1|=|x-4|