(15×+6y)-(9×+5y)=
a( a2 – a b2 ) =
( x + 2 ) ( x + 3) =
Ayuda :(
a( a2 – a b2 ) =
( x + 2 ) ( x + 3) =
Ayuda :(
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Respuesta:
1)6x+y
2)a³-a²b²
3)x²+5x+6