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OpenStudy (anonymous):
Simplify (5a2 – 3a + 7) + (2a2 + 5a – 1)
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jimthompson5910 (jim_thompson5910):
(5a^2 – 3a + 7) + (2a^2 + 5a – 1) 5a^2 – 3a + 7 + 2a^2 + 5a – 1 ... remove parenthesis as they're not needed Now combine like terms
jimthompson5910 (jim_thompson5910):
Ex: 5a^2 and 2a^2 are like terms. So 5a^2 + 2a^2 = 7a^2
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