x³-4x²-x+1=(x-2)² is this a qudratic equation
please answer correct
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Step-by-step explanation:
x³ - 4x² - x + 1 = x² - 2x(2) + 2²
x³ - 4x² - x + 1 = x ²- 4x + 4
x³-4x²-x²-x +4x +1-4= 0
x³ - 3x² + 3x - 3 = 0
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