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

Toán Lớp 8: x^2+6x+9/x^2+3x cứu rút gọn nha

Toán Lớp 8: x^2+6x+9/x^2+3x cứu rút gọn nha

Comments ( 2 )

  1. $\frac{x^{2}+6x+9}{x^{2} +3x}$
    =$\frac{(x+3)^{2} }{x(x+3)}$
    =$\frac{x+3}{x}$  
     

  2. (x^2 +6x+9)/(x^2 +3x)
    = ((x+3)^2)/(x(x+3))
    = (x+3)/(x)

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