Check whether [tex]x^{2}-9[/tex] is a factor of [tex]2x^{5} +2x^{3}-3x^{2}+144x-3x^{4}+9[/tex]. Justify. And please use long division method.
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Check whether [tex]x^{2}-9[/tex] is a factor of [tex]2x^{5} +2x^{3}-3x^{2}+144x-3x^{4}+9[/tex]. Justify. And please use long division method.
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Answer:
no
Step-by-step explanation:
in x^2-9=0
x=3
2(3^5)+2(3^3)-3(3^2)+144(3)-3(3^4)+9
496+54-27+432-243+9
550-305-234
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