Check whether 7+3x is a factor of 3x^3+7x
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Answered by
4
no it is not p(x)is not equal to zero
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Answered by
5
7+3x=0
x= -7/3
put it in 3x³+7x = 0
3 X (-7/3)³ + 7 X (-7/3) = 0
- 343/9 - 49/3 = 0
-490/9
therefore LHS ≠ RHS
hence it is not its factor
x= -7/3
put it in 3x³+7x = 0
3 X (-7/3)³ + 7 X (-7/3) = 0
- 343/9 - 49/3 = 0
-490/9
therefore LHS ≠ RHS
hence it is not its factor
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