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

Toán Lớp 8: 2$x^{4}$ – 3$x^{3}$ – 3$x^{2}$ – 2 + 8x) : ($x^{2}$ – 2)

Home/ Toán Lớp 8: 2$x^{4}$ – 3$x^{3}$ – 3$x^{2}$ – 2 + 8x) : ($x^{2}$ – 2)

Toán Lớp 8: 2$x^{4}$ – 3$x^{3}$ – 3$x^{2}$ – 2 + 8x) : ($x^{2}$ – 2)

Tháng Tám 22, 2022 Toán học 1 Comment 0 views

Toán Lớp 8: 2$x^{4}$ – 3$x^{3}$ – 3$x^{2}$ – 2 + 8x) : ($x^{2}$ – 2)

Comments ( 1 )

  1. tuyetanhthu
    tuyetanhthu
    22 Tháng Tám, 2022 at 10:56 sáng
    Reply
    #tnvt
    (2x^4-3x^3-3x^2-2+8x):(x^2-2)
    =(2x^4-4x^2-3x^3+6x+x^2-2+2x):(x^2-2)
    =[2x^2(x^2-2)-3x(x^2-2)+(x^2-2)+2x]:(x^2-2)
    =[(x^2-2)(2x^2-3x+1)+2x]:(x^2-2)
    =2x^2-3x+1 dư 2x

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

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