Answer:
Explanation:
Here you go mate
step 1
k^2+8k+22=6 equation
step 2
k2+8k+22(-6)=6(-6) subtract -6
k2+8k+16=0
step 3
k2+8k+16=0 factor
(k+4)(k+4)=0
step 4
(k+4)(k+4)=0 set the numbers equal to zero
answer
k=-4
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