Question

the degree of polynomial p(x)= (x_7)^3- x^3​

Answer 1

p(x)=(x-7)³-x³

=>p(x)=x³-343-21x(x-7) -x³

=>p(x)= -343 -21x²+147x

=> The degree of polynomial p(x) is 2.

Hope it is helpful.