Factor the following polynomial completely
X⁴-6x³+8x²+6x-9
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Factor the following polynomial completely
X⁴-6x³+8x²+6x-9
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Answer:
( x + 1) (x - 1) ( x - 3)²
Step-by-step explanation:
Since both terms are perfect squares, factor using the difference of squares formula,
a² - b² = ( a + b) (a - b) where a = x and b= 1.
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