Question

Qiz
For what value of a is( x-5) a factor
of x^3-3x^2+ax-10​

Answer 1

Answer:

x-5 is a factor of equation

x-5=0

x=5

substitute x value in equation

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

125-75+5a-10=0

5a=-40

a=-8

Step-by-step explanation:

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Answer 2

Answer:

by the question

x-5=0

x=5

5^3-3*25+5a-10

125-75+5a-10=0

40+5a=0

5a=-40

a= -8