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OpenStudy (anonymous):
math help
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OpenStudy (anonymous):
-2(-7+2z)+9(9z-4) @cj49
jagr2713 (jagr2713):
well we need to distribute and get 14-4z+81z-36 Subtract 36 from 14 to get −22. −22−4z+81z Since −4z and 81z are like terms, subtract 81z from −4z to get 77z. −22+77z Reorder the polynomial −22+77z alphabetically from left to right, starting with the highest order term. 77z−22
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