Step-by-step explanation:
Substitute x = -3
k(-3)^2 + 10(-3) - 6 = 0
9k - 30 - 6 = 0
9k = 36
k = 4
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Step-by-step explanation:
Substitute x = -3
k(-3)^2 + 10(-3) - 6 = 0
9k - 30 - 6 = 0
9k = 36
k = 4