Question

If one root of kx square +2x+6=0 is one 5k

Answer 1

$k {x}^{2} + 2x + 6 = 0 \\ k {(1)}^{2} + 2(1) = - 6 \\ k + 2 = - 6 \\ k = - 6 - 2 \\ k = - 8$
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