Find the sum of the following algebraic expression : 7a² - 5a + 2 , 3a² - 7 , 2a + 9 , 1 + 2a - 5a²
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Answer:
5a²-a+5
Step-by-step explanation:
7a²-5a+2
3a² -7
2a+9
-5a²+2a+1
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5a²-a+5
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Answered by
0
Answer:
(I) a=1 or a=2\7 (ii)√7\3 (iii)9\2 (IV)
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