Quicker grouping method (-212)×(-36)+(-212)×(-64)

Dear Student,

-212×-36+-212×-64-212×-36-64-212×-100=212×100=21200

Regards,

  • 2
7632 + 13568 = 21200
  • 1
which property should be used ??
  • 0
[-212] * [(-36) + (-64)]
[-212] * [ -36 - 64 ]
[-212] * (-100) = (-21200)
  • 0
(-212 )x ( 36 + 64)
  • 2
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