Given a polynomial f(x), if (x + 5) is a factor, what else must be true?

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Given a polynomial f(x), if (x + 5) is a factor, what else must be true?

Mathematics
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zeroes of the polynomial

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A.f(0) = 5 B. f(0) = −5 c. f(5) = 0 d. f(−5) = 0
If x-5 factors out of the thing, then you have f(x) = (x-5)(something left) if x-5=0 then....
Sorry it is f(x) = (x+5)(something else) Put in X= -5 f(-5) = 0*(Something) = 0
Is it A?
If (x+5) is a factor, then if you let X=-5 , that factor will be zero, and multiply the rest of the function by zero f(-5) = ...
oh lol it's D!!
0
right, you see
so it is D?
Right, Say the function is f(x) = (x+5)(x^3+6x-4) The x+5 is factored out of the thing... if that quantity is zero, (when x=-5 , f(x)=f(-5) then the function will also be zero at that location
If x = 1 is a zero of the polynomial function f(x) = 3x3 − 8x2 + 3x + 2, which of the following is another zero of f(x)?
If x=1 is a zero, then you can probably say (x-1) will be a factor of f(x)
So would it be -1?
no, that means you can say f(x) = (x-1)*(another factor)
When "another factor" = 0 , that will be you other zero(s)
The zeroes are where y=f(x) = 0, crosses x axis
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@DanJS so it is 2?

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