Toán Lớp 8: Thực hiện phép tính sau:
a, 3x(x -1)^2 – 2x(x + 3)(x – 3) + 4x(x – 4)
b, 4(2x + 5)^2 – 2(3x + 1)(1 – 3x)
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Toán Lớp 8: Thực hiện phép tính sau:
a, 3x(x -1)^2 – 2x(x + 3)(x – 3) + 4x(x – 4)
b, 4(2x + 5)^2 – 2(3x + 1)(1 – 3x)
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