please solve this question it's very urgent
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X=-1
So, x^3+6x^2-4x-9
=-1^3+6(-1)^2-4(-1)-9
=-1+6+4-9
=0
So, x^3+6x^2-4x-9
=-1^3+6(-1)^2-4(-1)-9
=-1+6+4-9
=0
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hope this ans will help u
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