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Solving by factoring n^2+9n=-14

User Kousik
by
4.7k points

2 Answers

1 vote

Answer:

n = -2 ,-7

Explanation:

factor and set each factor equal to zero.

User ArtemStorozhuk
by
4.9k points
4 votes

Answer:

(n + 7)(n + 2) = 0

Explanation:

Set the equation equal to 0. Add 14 to both sides:

n² + 9n = -14

n² + 9n (+14) = -14 (+14)

n² + 9n + 14 = 0

Find factors of 14 & n, that, when combined, will equal 9n.

n² + 9n + 14 = 0

n 7

n 2

(n + 7)(n + 2) = 0

(n + 7)(n + 2) = 0 is your answer.

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User Sridhar Bollam
by
5.5k points