supercool123
supercool123 supercool123
  • 28-09-2015
  • Mathematics
contestada

(2r-2)(-r-7) please help me figure this out. I need your help

Respuesta :

oliviapowers oliviapowers
  • 28-09-2015
using the foil method you get:

(2r*r) + (2r*-7) + (r*-2) + (-2*-7)

which is simplified to

2r^2 -16r + 14
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