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OpenStudy (anonymous):
Multiply and simplify the expression (3-z)z
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OpenStudy (konradzuse):
you know about derivation right?
OpenStudy (konradzuse):
you basically multiply the z in the back by what's inside the parenthesis.
OpenStudy (konradzuse):
so (z*3)-(z*z) =?
OpenStudy (anonymous):
That is what I thought but I have not worked math in over 20 years
OpenStudy (konradzuse):
no problem.
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OpenStudy (anonymous):
So will it be 3z-z^2
OpenStudy (konradzuse):
yup.
OpenStudy (anonymous):
thanks, but trust me I will have more that are considered easy to you all but hard to me
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