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36x²;-25=0 x²;=25/36 x=±5/6 (2) 4(2x+3)²;=(-3)²; 4(2x+3)²;=9 (2x+3)²;=9/4 2x+3=±3/2 2x+3=3/2或2x+3=-3/2 x=-3/4或-9/4
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