Factor x2 − 7x + 8. (x + 8)(x − 1) Prime (x − 8)(x − 1) (x + 8)(x + 1)

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asked Apr 17, 2019 86.6k views

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Syd Lambert · Answer 1 · 2019-04-22T15:22:44+0000

Answer:

Prime

Explanation:

The roots are irrational. (If they were rational, they would be factors of 8.) As a consequence, the expression has no factoring in integers, making it prime.

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Roots are (7±√(7²-32))/2 = 3.5±√4.25.

Factor x2 − 7x + 8. (x + 8)(x − 1) Prime (x − 8)(x − 1) (x + 8)(x + 1)-example-1

Factor x2 − 7x + 8. (x + 8)(x − 1) Prime (x − 8)(x − 1) (x + 8)(x + 1)

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