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Karo-lina-s [1.5K]
3 years ago
15

What are the factors of the expression x^2+x-20?

Mathematics
1 answer:
tatyana61 [14]3 years ago
3 0

Answer:

(x-4)(x+5)

Step-by-step explanation:

Find 2 numbers knowing sum (1) and product (-20). To find them, factor pairs of (-20) --> (-2,10) (-4,5). This sum is 1=b. Then, these 2 numbers are: - 4 and 5. Y=(x-4) (x+5). Hope this helped :)

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