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Factor completely: 2a2 + a - 28

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Factor completely: 2a2 + a - 28

asked Feb 9, 2017 72.7k views

1 vote

Factor completely: 2a2 + a - 28

Mathematics
high-school

7.8k points

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1 Answer

5 votes

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

Boblin answered Feb 13, 2017

by Boblin

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