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

Toán Lớp 8: kết quả của phép tính (2x+3).(3x-2)

Toán Lớp 8: kết quả của phép tính (2x+3).(3x-2)

Comments ( 2 )

  1. ( 2x + 3 ) ( 3x – 2 )
    = 6x^2 – 4x + 9x – 6
    = 6x^2 + 5x – 6
     

  2. ( 2x + 3 ) ( 3x – 2 )
    = 6x^2 – 4x + 9x – 6
    = 6x^2 + 5x – 6
    => ( 2x + 3 ) ( 3x – 2 ) = 6x^2 + 5x – 6
     

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

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