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12 votes
12 votes
FACTOR COMPLETELY f(x) = 4x^2 + 8x − 5
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User Wirus
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1 Answer

15 votes
15 votes

Answer:

(2x - 1)(2x + 5)

Explanation:

Start by finding factors of 4 and factors of 5, then find out which ones will add or subtract to the middle term, 8. You get (2x -1)(2x+5).

Hopefully this helps - let me know if you have any questions!

User Chrixm
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