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Lostsunrise [7]
3 years ago
12

Factor completely: 2a2 + a - 28

Mathematics
1 answer:
Vikki [24]3 years ago
7 0
2 a² + a - 28 = 
= 2 a² + 8 a - 7 a - 28 =
= 2 a ( a + 4 ) - 7 ( a + 4 ) =
= ( a + 4 ) ( 2 a - 7 )
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