If f(x) = -7x^7 + 3x^3 + x - 5, and g(x) is a polynomial such that the degree of f(x) + g(x) is 5, then what is the degree of g(x)?

Guest Sep 6, 2021

#1**+1 **

g(x) = 7 x^{7 } + a x^{5 }......... Degree 7 cancels the degree 7 in f(x) and the a x^{5 } makes the result of adding them degree 5

ElectricPavlov Sep 6, 2021