Question

Simplifique as frações algébricas: A)x²+2x+1/x+1 B)x²+3x+2/x+1 C)y²+y/y D)(x²-4) (x+2) E)4ab/2ac+2ad

Answer 1

A)x²+2x+1 = (x+1)(x+1) ==> x + 1
      x+1             x + 1
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B)x²+3x+2 = (x+2)(x+1) ==> x +2
       x+1            x+1
==========================================
C)y²+y =  y(y + 1 ) ==> y + 1
     y               y
==========================================
D)(x²-4) = (x+2)(x-2) ==> x + 2
    (x+2)       (x+2) 
==============================================
E)   4ab       =    4ab     ==> 2b
    2ac+2ad     2a(c+d)        c+d

Answer 2

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