homer2 homer2
  • 15-09-2017
  • Mathematics
contestada

9x(30+7)=(9x )+(9x7)
Properties to find the sum or product

Respuesta :

temp102 temp102
  • 15-09-2017
I think you are trying a variation of the distributive property
remember
a(b+c)=ab+ac
so
9x(30+7)=9x(30)+9x(7)
so the blank will be 30
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