Question 1178142
{{{2x^3-5+(kx^3+c)=4x^3}}}

{{{2x^3-5+kx^3+c=4x^3}}}

{{{(2+k)x^3+c-5=4x^3}}}

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{{{system(2+k=4,and,c-5=0)}}}


The other binomial may be {{{2x^3+5}}}.


What is the degree of their difference?
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