samanthamertens samanthamertens

24-02-2017
Mathematics

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Factor completely: 2a2 + a − 28

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alkhalidisara alkhalidisara

24-02-2017

(2a-7)(a+4)
2a(a) + 2a(4) + (-7)(a) + (-7)(4)
2a^2 + 8a -7a - 28
Combine like terms
2a^2 + a -28

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laylay523 laylay523

24-02-2017

The answer is (2a-7) (a+4)

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