lamorenaza8921 lamorenaza8921
  • 07-12-2015
  • Mathematics
contestada


4(-2)² + 8(-2) + 3(-2) + 6 =

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bookishfairy73
bookishfairy73 bookishfairy73
  • 07-12-2015
4(−2)2+(8)(−2)+(3)(−2)+6=
(4)(4)+(8)(−2)+(3)(−2)+6
=
16+(8)(−2)+(3)(−2)+6
=
16+−16+(3)(−2)+6
=0+(3)(−2)+6=0+−6+6=
−6+6
=
0
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