kx^2+12x-4=0 +4 +4 kx^2+12x=-4 -12x -12x kx^2=-4-12x square root kx^2 to get kx and square root -4-12x too kx=the square root of -4-12x then divide x to both sides and u get ur answer
kx^2+12x-4=0 +4 +4 kx^2+12x=-4 -12x -12x kx^2=-4-12x square root kx^2 to get kx and square root -4-12x too kx=the square root of -4-12x then divide x to both sides and u get your answer X=-3
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