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3 years ago

Factor x^2+5x-84 please

Mathematics

1 answer:

frutty [35]3 years ago

4 0

Answer:

Step-by-step explanation:

The factors of 84 are: $\pm: 1, 84, 2, 42, 3, 28, 4, 21, 6, 14, 7, 12 ...$

7 and 12 can make 5. Since 84 is negative and 5 is positive, the larger number of the two must be the positive number in the factorization. In this case, it is

$(x+12)(x-7)$

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