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01-10-2019
Mathematics

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what is −12(7z+4)+15(5z−15) =

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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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