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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 8: Cho e hỏi bài này với ạ B2 tìm x A)3(1-4x)(x-1k+4(3x+2)(x+3)=38 B)5(2x+3)(x+2k-2(5x-4)(x-1)=75 C)2x^2+3(x-1)(x+1)=5x(x+1)

Toán Lớp 8: Cho e hỏi bài này với ạ
B2 tìm x
A)3(1-4x)(x-1k+4(3x+2)(x+3)=38
B)5(2x+3)(x+2k-2(5x-4)(x-1)=75
C)2x^2+3(x-1)(x+1)=5x(x+1)

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222-9+11+12:2*14+14 = ? ( )