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What is the sum of (-5a ^2 + a + 2) + ( 2a^2 - a - 9)
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What is the sum of (-5a ^2 + a + 2) + ( 2a^2 - a - 9)

User Sndyuk
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(-5a² + a + 2) + (2a² - a - 9) =

= -5a² + a + 2 + 2a² - a - 9 =

= -5a² + 2a² + a - a + 2 - 9 = -3a² - 7

User Benjamin Pasero
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