What is #3z^2 - 4z + 7# #-(10z^2 + 7z - 4)#?

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Answer 1 · 2018-06-08T00:49:42

#-7z^2-11z+11#

We can distribute the negative to the terms in parenthesis to get

#3z^2-4z+7-10z^2-7z+4#

Next, let's group like terms to get

#3z^2-10z^2-4z-7z+7+4#

Combining like terms, we get

#-7z^2-11z+11#

Hope this helps!