Baetacat
Baetacat
18-02-2015
Mathematics
contestada
how do I factor this trinomial y^2-y-56
Respuesta :
crisforp
crisforp
18-02-2015
y^2 - 8y + 7y - 56 = y( y - 8 ) + 7( y - 8 ) = ( y - 8 )( y + 7 ).
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