click weather 7 + 3 x is a factor of 3 x cube + 7 x
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hope it helps............
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princess93:
Ossammmmm
thnx
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7+3x=0
3x=-7
x=-7/3
p(x)=3x³+7x
=3(-7/3)³+7×(-7/3)
=3(-343/27)+(-49/3)
=(-343/9)+(-49/3)
=-490/3
Therefore 7+3x is not a factor of 3x³+7x
3x=-7
x=-7/3
p(x)=3x³+7x
=3(-7/3)³+7×(-7/3)
=3(-343/27)+(-49/3)
=(-343/9)+(-49/3)
=-490/3
Therefore 7+3x is not a factor of 3x³+7x
Ossammmmm
3x³ + 7x = x ( 3x² + 7 )
x ,( 3x² + 7 ) are factors
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