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murzikaleks [220]
3 years ago
9

Which of the binominals below is a factor of this trinomial? x2-10x-39

Mathematics
1 answer:
Reika [66]3 years ago
7 0

Answer:

b

Step-by-step explanation:

given x² - 10x - 39

since the coefficient of the x² term is 1

consider the factors of - 39 ( constant term ) which sum to give - 10 ( the coefficient of the x term )

The factors are - 13 and + 3, hence

x² - 10x - 39 = (x - 13)(x + 3) ← in factored form

Hence (x - 13) is a factor → b



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