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  • 22-01-2016
  • Mathematics
contestada

Simplify this expression.
4(9n-9)

a. -10n+20
b. -10n+19
c. 36n-36
d. -8n+56

Respuesta :

Billymkhoi
Billymkhoi Billymkhoi
  • 22-01-2016
4(9n-9)
= 4*9n -4*9 (distributive property)
= 36n -36

The correct answer is c. 36n -36~
Answer Link
MissAsian
MissAsian MissAsian
  • 22-01-2016
C. If you multiply 4 times 9= 36n- 36(you have to multiply all the numbers in the parenthesis by the outside number.
Answer Link

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