Multiply the polynomial

Algebra
Tutor: None Selected Time limit: 1 Day

(9-z)z

Multiply and simplify

Sep 26th, 2015

Thank you for the opportunity to help you with your question!

To multiply the polynomial, we have to distribute.

When distributing, you multiply whatever is outside of the parentheses by everything inside the parentheses.

So, z(9-z) means to multiply "z" by everything inside the parentheses. 

We multiply z times 9, and then we multiply z times -z.

We then get 9z- z^2.
Please let me know if you need any clarification. I'm always happy to answer your questions.
Sep 26th, 2015

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