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asked by anaya
  1. 1) 4*s evaluates to 4s

    s*3-4*s*2-4*s evaluates to -9s

    s*3-4*s*2-4*s+16 evaluates to -9s+16

    2) 3*y*2 evaluates to 6y

    -12*y*4/-3*y*2 evaluates to -5y

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    posted by Kell

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