answer all pls asap it would be a great help!! i will mark you as brainiest
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Answer:
6(4/3)³-11(4/3)²+kx-20=0
128/9-176/9+kx-20=0
(128-176+9kx-180)/9=0
(128-176+9kx-180)=0
9kx=228
K=228×3/(4×9)
K=19.
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