Question

try to answer this question because tomorrow is my exam

Answer 1

do proper long division method if u get the remai der 0 then it is the factor

Answer 2

Just divide f(a)=2a^2-a+3 from g(a)=6a^5-a^4+4a^3-5a^2-a-15
If the remainder is 0 then it is a factor.