x3-5x2-x+5 find using x2-y2=(x+y)(x-y)
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Step-by-step explanation:
x³ - 5x² - x + 5
= x²( x - 5 ) - 1 ( x - 5 )
= (x - 5 ) ( x² - 1 )
= (x - 5 ) ( x + 1 ) ( x - 1 )
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