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Find the volume of k if x+2 is factor of 3²x+kx+6

User Cheryll
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1 Answer

5 votes

Explanation:

If x + 2 is a factor then x = -2 will cause the equation to be = 0

3 ( -2)^2 - 2k + 6 = 0

18 - 2k = 0

2k = 18

k = 9

User Michael Van Gerwen
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