x^4 - 625÷x+5 pls answer
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x⁴ - 625 ÷ x + 5
( x² - 5² ) ( x² - 5² ) ÷ x + 5
Using identity ( a² - b² ) = ( a + b ) ( a - b )
( x + 5 ) ( x - 5 ) ( x + 5 ) ( x - 5 ) ÷ x + 5
x + 5 and x + 5 gets cancelled
So , ( x + 5 ) ( x² - 25 )
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