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OpenStudy (anonymous):
Simplify the sum. (2u3 + 6u2 + 3) + (2u3 – 7u + 6) A. 9 – 7u + 6u2 + 4u3 B. 0u3 + 6u2 – 7u + 9 C. 0u3 – 7u2 + 6u – 9 D. 4u3 + 6u2 – 7u + 9
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OpenStudy (anonymous):
Unless it is more complicated than it look, it is very simple. All you have to do is add the common terms...2u3+2u3=4u3 6u2 has no common term, so leave it, -7u has no common terms, and 3+6=9 so your answer is 4u3+6u2-7u+9
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