samvitko10 samvitko10

18-08-2021
Mathematics

contestada

–
5z2–7z2

Simplified

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3167972 3167972

18-08-2021

Answer:

-12z^2

Brainliest, please!

Step-by-step explanation:

-5z^2 - 7z^2 = -12z^2

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