DeathWish720 DeathWish720
  • 20-07-2017
  • Mathematics
contestada

Simplify the expressions
-8(5r+6)+9(6r+3)

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choixongdong
choixongdong choixongdong
  • 20-07-2017
-8(5r+6)+9(6r+3)
= -40r - 48 + 54r + 27
= 14r - 21
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