Question

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GIẢI GIÚP MÌNH

Answer 1

<=>[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 )