Question

for what value of a is (x-5)a factor of x³-3x²+ax-10​

Answer 1

Step-by-step explanation:

q(x)=x-5=0

x=5

since p(x) has a factor so p(x)=0

x^3-3x^2+ax-10=0

(5)^3-3(5)^2+a(5)-10=0

125-75+5a-10=0

40+5a=0

5a=-40

a=-8

Answer 2

Answer:

therefore a= -8

Step-by-step explanation:

hope this will help you