Question

Simplify the following combining like terms:
(1) -z²+13z²-5z+7z³-15z​

Answer 1

Answer:

7z³ + 12z² - 20z (Answer)

Step-by-step explanation:

Given  -z² + 13z² - 5z + 7z³ - 15z

=> 12z² - 20z + 7z³  

=> 7z³ + 12z² - 20z (Answer)

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Answer 2

Answer:

kindly refer the attachment

Step-by-step explanation:

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