MATHSCIENCE
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  • 25-11-2015
  • Mathematics
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Find the sum.
−12(7z+4)+15(5z−15)

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Since3122015
Since3122015 Since3122015
  • 25-11-2015
[tex]-12(7z+4)+15(5z-15)\\-84z-48+75z-225\\-9z-273[/tex]

-9z-273
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