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Simplify:

a) -2 ( 3 ( x + 2 ) + 4 ) - 8 

b) 4 ( -3x - 2 ( x - 9) ) - 7 ( x - 2) 

Asked by Topperlearning User 23rd September 2016, 1:01 PM
Answered by Expert
Answer:

  1. a) -2 ( 3 ( x + 2 ) + 4 ) - 8 
    = -2 ( 3x + 6 + 4) - 8 
    = -2 ( 3x + 10 ) - 8 
    = -6x - 20 - 8 
    = -6x - 28 

    b) 4 ( -3x - 2 ( x - 9) ) - 7 ( x - 2) 
    = 4 ( -3x -2x + 18 ) - 7x + 14 
    = 4 (-5x + 18) - 7x + 14 
    = -20x + 72 - 7x + 14 
    = -27x + 86 
Answered by Expert 23rd September 2016, 3:01 PM
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