camtry1000
camtry1000 camtry1000
  • 01-10-2019
  • Mathematics
contestada

what is −12(7z+4)+15(5z−15) =

Respuesta :

richardloiza73
richardloiza73 richardloiza73
  • 01-10-2019

Answer: −9z−273

Step-by-step explanation:

Let's simplify step-by-step.

−12(7z+4)+15(5z−15)

Distribute:

=(−12)(7z)+(−12)(4)+(15)(5z)+(15)(−15)

=−84z+−48+75z+−225

Combine Like Terms:

=−84z+−48+75z+−225

=(−84z+75z)+(−48+−225)

=−9z+−273

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