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given the binomials (x+1),(x+4),(x-5) and (x-2) which one is a factor of f(x)=3x^3-12x^2-4x-55
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Well, in order to solve this, we'll have to factor that 3rd grade equation.
bhahahaha!
By that i mean factoring it... Wich method have you learned?
If x+1 is a factor then x = -1 is a root. Plug in -1 and see if you get 0. If you do x+1 is a factor. If not, move on to x+4 and try -4
would it be (x-5)?
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yes
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