Tìm x biết: 4) \((x + 2)^2 - (x - 2)(x + 2) = 0\) 5) \((3x + 2)^2 - (3x - 5)(3x + 2) = 0\) 6) \(3(x - 1)^2 + (x + 5)(2 - 3x) = -25\)
TÌM X BIẾT
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4) \((x + 2)^2 - (x - 2)(x + 2) = 0\)
5) \((3x + 2)^2 - (3x - 5)(3x + 2) = 0\)
6) \(3(x - 1)^2 + (x + 5)(2 - 3x) = -25\)