check whether 7+3x is afactor of 3x×3x×3x+7x
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solution.
no, it is not factor.
x= -7/3
now, 3(-7/3)*3(-7/3)*3(-7/3)+7(-7/3)
= -7*-7*-7 -7/3
= -343 - 7/3 ≠0
so, it is not factor.
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☺✌✌
no, it is not factor.
x= -7/3
now, 3(-7/3)*3(-7/3)*3(-7/3)+7(-7/3)
= -7*-7*-7 -7/3
= -343 - 7/3 ≠0
so, it is not factor.
_______
☺✌✌
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