If x-2 is a factor of x³-3x+5a then the value of a is
a 1
b -1
c 2/5
d-2/5
Answers
Answered by
3
Answer:
a=-2/5
Step-by-step explanation:
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x-2=0...x=2
(2)3-3(2)+5a=0
8-6+5a=0
5a=-2
a=-2/5
Answered by
11
Answer:
x-2=0
x=2
x³-3x+5a
2³-3(2)+5a
8-6+5a
2+5a
5a=-2
a=-2/5
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