Manrhietara5hmayra
Manrhietara5hmayra
26-11-2016
Mathematics
contestada
Factor: x2 + 2x - 15
Respuesta :
HomertheGenius
HomertheGenius
28-11-2016
x² + 2 x - 15 =
= x² + 5 x - 3 x - 15 =
= x ( x + 5 ) - 3 ( x + 5 ) =
=
( x + 5 ) ( x - 3 )
Thank you.
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