What are the zeros of the polynomial function? f(x)=x^3−x^2−4x+4
1 answer:
Answer: (B) -2, (E) 1, (F) 2
<u>Step-by-step explanation:</u>
x³ - x² - 4x + 4
= x²(x - 1) - 4(x - 1)
= (x² - 4) (x - 1)
= (x - 2)(x + 2)(x - 1)
Set each factor equal to zero to find the roots:
x - 2 = 0 x + 2 = 0 x - 1 = 0
x = 2 x = -2 x = 1
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