Is (x+5) a factor of f(x)=x^3 - 4x^2 + 3x + 7? use either the remainder theorem or the factor theorem to explain your reasoning.
1 answer:
Answer:
No
Step-by-step explanation:
<u>Use synthetic division</u>
-5 | 1 -4 3 7
____<u>-5 45 -240</u>
1 -9 48 | -233
Since the remainder is not 0, then x+5 is not a factor of the polynomial
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