check whether 7+3x is a factor of 3x³+7x
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1
Answer:
PSP♡ANU
Step-by-step explanation:
Apply remainder theorem
7+3x=0
3x=−7 or x=
3
−7
Replace x=
3
−7
in the equation, we get
3x
3
+7x =3(
3
−7
)
3
+7(
3
−7
)
=3(
27
−343
)−
3
49
=
9
343
−
3
49
This value is not equal to zero then 7+3x is not a factor of
3x
3
+7x
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