If (3x-2) is a factor of 3x³ x² 20x - 12. Find other factors.
Answers
Answered by
1
Answer:
By using factor theorem
(3x−2)=0
3x=2
x=2/3
now, let f(x)=3x
3
+x
2
−20x+12
f(2/3)=3(2/3)
3
+(2/3)
2
−20(2/3)+12
f(2/3)=3(8/27)+(4/9)−(40/3)+12
f(2/3)=(8/9)+(4/9)−(40/3)+12
f(2/3)=(12/9)−(40/3)+12
f(2/3)=(4/3)−(40/3)+12
f(2/3)=12−(36/3)
f(2/3)=12−12
f(2/3)=0
(3x−2) is a factor of 3x
3
+x
2
−20x+12
Answered by
0
67433 add me as brainlist
Similar questions