Answer:
D
Explanation:
12 - 20x³ + 4x² ← factor out 4x² from each term
= 4x²(3x² - 5x + 1) ← in factored form
with one factor 3x² - 5x + 1
D. A cant be a factor of the polynomial because the highest degree is 4. Since the polynomial cant be factored any more after (4x^2)*(3(x^2)-5x+1), D is the answer
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- 20x³ + 4x² ← factor out 4x² from each term