datlab21 datlab21
  • 10-10-2018
  • Mathematics
contestada

find the sum −12(7z+4)+15(5z−15) can someone help me please?

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remotecontrolbrain
remotecontrolbrain remotecontrolbrain
  • 10-10-2018

−12(7z+4)+15(5z−15)=-84z-48+75z-225=-9z-273

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shyannadiaz
shyannadiaz shyannadiaz
  • 10-10-2018
-3(3z+91) is the answer
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