solve the cubic polynomial,f(x)=6x^3+5x^2-12x+4 and find the relationship between the zeros and coefficients of the polynomail

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solve the cubic polynomial,f(x)=6x^3+5x^2-12x+4 and find the relationship between the zeros and coefficients of the polynomail

Mathematics
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help me.....................please .i Will give medal
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the last number 4 has factors \(\pm1\), \(\pm 2\), \(\pm 4\) the first number 6 has factors \(\pm 1\), \(\pm2\), \(\pm 3\), \(\pm 6\) hence the factors of 6 will go with the factor of 4 to form the zeros of the polynomial but it is the denominator. I meant |dw:1432874701462:dw|
put \(\pm\) on each of them.
Fortunately, the cubic has at most 3 zeros, hence if we find out 1 of them, the rest is easy.
The logic above is the answer for "Relationship between the zeros and coefficients of the polynomial" Now is to find the zero.
test -2, you get y =0, hence (x+2) is a factor of the polynomial. take long division to find other zeros. Are you allowed to use calculator?
no
ok, good luck, you have to check one by one among the options I gave you above.
|dw:1432875418149:dw|
thank u : ) i understand this answer

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