kingmars1601986 kingmars1601986
  • 29-08-2018
  • Mathematics
contestada

PLEASE HELP ASAP simplify the expressions below

1) 8 + (x-4 )2

2) - (x+3) + 3(-x -6)

3) 2(x -y +z) -4(x -y +z)

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syahidah
syahidah syahidah
  • 29-08-2018
is this correct answer?
Ver imagen syahidah
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choixongdong
choixongdong choixongdong
  • 29-08-2018

1) 8 + (x-4 )^2

= 8 + x^2 -8x + 16

= x^2 - 8x + 24

2) - (x+3) + 3(-x -6)

= -x - 3 -3x - 18

= -4x - 21

3) 2(x -y +z) -4(x -y +z)

= (x -y +z) (2 - 4)

= (x -y +z)(-2)

= -2x + 2y -2z

Answer Link

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