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1 vote
Factor completely: 2a2 + a - 28

User Awefsome
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1 Answer

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2 a² + a - 28 =
= 2 a² + 8 a - 7 a - 28 =
= 2 a ( a + 4 ) - 7 ( a + 4 ) =
= ( a + 4 ) ( 2 a - 7 )
User Boblin
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