Question

[Beatiful Girl]

http://olm.vn/hoi-dap/question/142376.html

GIẢI GIÚP MÌNH

Answer 1

[Fion Alextiano]

<=>[2(x-1)-3(x+1)][2(x-1)+3(x+1)] = 0

<=>(2x-3-3x-3)(2x-3+3x+3) = 0

<=> -5x(x+6) = 0

=> * -5x = 0 <=> x = 0

    * x+6 = 0 <=> x = -6

~> S = { -6 ; 0 )