find the factors of a cubic equation m^3+6m^2+9m+4
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Step-by-step explanation:
m³+6m²+9m+4
m³+6m²+5m+4m+4
m³+m²+5m²+5m+4m+4
m²(m+1)+5m(m+1)+4(m+1)
(m+1)(m²+5m+4)
(m+1)(m²+4m+m+4)
(m+1){m(m+4)+1(m+4)}
(m+1)(m+1)(m+4)
(m+1)²(m+4)
......666....
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