find the answer for this question
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x-1=0
x=1
substitute x=1 in equation
4(1)^3 +3(1)^2-4(1) +k=0
7-4+k=0
k+3=0
k= -3 is answer
x=1
substitute x=1 in equation
4(1)^3 +3(1)^2-4(1) +k=0
7-4+k=0
k+3=0
k= -3 is answer
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