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Katieperezzzz Katieperezzzz
  • 20-01-2016
  • Mathematics
Answered

  1. 5x + 2(x +6) simplify each expression

A7x + 6

B.7x2 + 12

C.7x + 12

D.7x (x + 6

  1. -3m + 3(m + 6)

A6
B-6m + 6

C.6m + 18

D.18

Verified Answer :

Billymkhoi
Billymkhoi Billymkhoi
  • 20-01-2016
  1. 5x+ 2(x+6)
    = 5x+ 2x+ 26 (distributive property)
    = 5x+ 2x+ 12
    = (5x+ 2x)+ 12 (combine like terms)
    = 7x+ 12

    The correct answer is C. 7x+12~

    2.  -3m + 3(m + 6) 
    = -3m+ 3m+ 3    6
    = -3m+ 3m+ 18
    = (-3m+ 3m)+ 18
    = 18

    The correct answer is D. 18~
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