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Solve the equation for all real solutions.
k^2+8k+22=6

1 Answer

7 votes

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{k}^(2) + 8k + 22 = 6

Subtract sides 6


{k}^(2) + 8k + 22 - 6 = 6 - 6


{k}^(2) + 8k + 16 = 0


({k + 4})^(2) = 0

Thus ;


k + 4 = 0

Subtract sides 4


k + 4 - 4 = - 4


k = - 4

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User Brian Singh
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