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Toán Lớp 8: giúp mình tìm x nha c)(2x + 1)^2+ (x –2)^2–2(2x + 1)(x –2) = 9 d)(x + 1)^2+ (x –3)^2+ (2x + 2)(x –3)= 1

Home/ Toán Lớp 8: giúp mình tìm x nha c)(2x + 1)^2+ (x –2)^2–2(2x + 1)(x –2) = 9 d)(x + 1)^2+ (x –3)^2+ (2x + 2)(x –3)= 1

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