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Maleah Mathis
Mathematics
15 July, 19:37
Why is x-5 not a factor of - 3x^4 + 15x^3 - x + 5
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Kendrick Prince
15 July, 20:02
0
Step-by-step explanation:
according to factor theroem,
if x-a is a factor then then f (a) = 0
lets try putting x value in equtaion it must come 0 x=5
(-3*5) ^4 + (15*5) - 5+5
=472500
we dont get here answer 0 so it is not factor of it
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