Bài 1: Giải các phương trình sau: 1) (2x-3) (x+5) = 0 3) 5(x+2)(x + 2)² = 0 5) x(x + 1) = X 3 2 - 2x-3 x(2x-3) 3 = 5 X 2) 2x(x+9)-5(x+9) = 0 4) (2x+5)2(x-2)² = 0 6) (x+3)(x-5) = x(x-2) x-3 X 1-5x 8) x+2 = x-2x-4 1 7) 9) + x-3 x+1 X 4x X X-2 = 10) = (x-3)(x+1) 2x-1 2x+5 X