how to solve ( x - 2 + √3 ) ( x - 2 - √3 )
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( x - 2 + √3 ) ( x - 2 - √3 )
Step-by-step explanation:
( x - 2 + √3 ) ( x - 2 - √3 )
( {x - 2} + √3 ) ( {x - 2} - √3 )
(x-2)² - (√3)² {Using (a+b)(a-b) = a²-b²}
x² + 4 - 4x - 3 [Using (a-b)² = a²+b²-2ab]
x²+1 - 4x
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