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OpenStudy (anonymous):
Factor completely 5x2 – 5x – 100 A)5(x + 4)(x – 5) B)5(x – 2)(x + 10) C)(5x + 20)(x – 5) D)(5x – 10)(x + 10)
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OpenStudy (aroub):
A)5(x + 4)(x – 5)
OpenStudy (anonymous):
first you can factor out a 5 like aroub did. 5(x^2-x-20) That makes it easier Factors of 20: 2, 4, 5 You end up with: A)5(x + 4)(x – 5)
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