6. Add the following polynomials : (i) 9a, 5a, 6a, - 4a and 7a
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Answer:
23a
Step-by-step explanation:
9a + 5a + 6a + ( - 4a ) + 7a
14a + 6a - 4a + 7a
14a + 6a + 7a - 4a
27a - 4a
23a
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