KajetanSzafran
KajetanSzafran KajetanSzafran
  • 03-11-2017
  • Mathematics
contestada

Answer -7 x (-9) = ?

Thank You!

Respuesta :

randgh
randgh randgh
  • 03-11-2017
   -7 x (-9) = +63  

because  if we multiply  negative by negative we obtain +
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