Math, asked by pooja3647, 1 year ago

check whether 2 X + 7 is a factor of 3x³- 7 x​

Answers

Answered by zoya0710
1

2x+7=0

2x=-7

x=-7/2

By putting value of x

3 (-7/2)^3-7×-7/2

=3×(-343/8)+49/2

=-1029/8+49/2

No it is not the factor of 3x^3-7x

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