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Karo-lina-s [1.5K]
3 years ago
10

Factor the trinomial below.

Mathematics
1 answer:
ivann1987 [24]3 years ago
6 0
Answer: Choice C. (x-7)(x-8)

-------------------------------------------------------

Find two numbers that...
* Multiply to 56 (last term)
* Add to -15 (middle coefficient)

Those two numbers are -7 and -8. So that's why x^2-15x+56 factors to (x-7)(x-8)
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Answer:

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Step-by-step explanation:

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Using Pythagoras Theorem, the adjacent side length can be found using:

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