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Elodia [21]
3 years ago
12

If (x+5) is a factor of 3x^2+14x+k, what is the value of k?

Mathematics
1 answer:
kherson [118]3 years ago
7 0
If (x+5) is a factor the equation will equal zero when x=-5 so

3(-5^2)+14(-5)+k=0

75-70+k=0

5+k=0

k=-5

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