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MArishka [77]
3 years ago
10

Simplify the expression: z2-z (z+3)+3z

English
1 answer:
yaroslaw [1]3 years ago
6 0
We have z2-z(z+3)+3z. We have to remember order of operation. First operation inside the parenthesis, then multiply/divide and finaly add/subtract.
Lets do this
z^2-z(z-3)+3z
First we have to multiply -z by each argument inside the parenthesis.
z^2-z^2+3z+3z=6z 
Finally we can simplify z^2 with -z^2 and 3z with 3z to get the result 6z.
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Picture

What is a Lens and Artifact Analysis?

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