aussy123
x + 3 is a factor of x3  4x2  18x + 9
True
False



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Zekarias
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test it by inserting x =3 in the expression\[x^{3}4x^{2}18x+9\]

aussy123
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so substitute 3 into the equation and then mult.

Zekarias
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find out if it gives you zero

aussy123
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im confused..
am I supposed to do this
3^34(3)^218(3)+9

nubeer
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(3)^34(3)^218(3)+9

aussy123
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Its false