Question

find the value of m nd n

Answer 1

1)x=-2

{(-2)3+10(-2)2+m(-2)+n}

(-6)-40-2m+n

(-46)-2m+n

-48mn

2)x=1

{(1)3+10(1)2+m(1)+n}

1+10+m+n

11mn

hope it help

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