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

Toán Lớp 8: PTĐTTNT: 5x+5y+ $x^{2}$ – $y^{2}$

Home/ Toán Lớp 8: PTĐTTNT: 5x+5y+ $x^{2}$ – $y^{2}$

Toán Lớp 8: PTĐTTNT: 5x+5y+ $x^{2}$ – $y^{2}$

Tháng Sáu 9, 2022 Toán học 2 Comments 0 views

Toán Lớp 8: PTĐTTNT: 5x+5y+ $x^{2}$ – $y^{2}$

Comments ( 2 )

  1. buianhtuan
    buianhtuan
    9 Tháng Sáu, 2022 at 12:15 sáng
    Reply
    @Bao
    5x+5y+x^2-y^2
    =5(x+y)+(x-y)(x+y)
    =(x+y)(5+x-y)

  2. huenthanh97
    huenthanh97
    9 Tháng Sáu, 2022 at 12:15 sáng
    Reply
    5x + 5y + x^2 – y^2
    = ( x + y ) ( x – y ) + 5 ( x + y )
    = ( x + y ) ( x – y + 5 )

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

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