Factorize it..Pls don't spam...and pls solve it as soon as possible..�

1.	Factorize it..Pls don't spam...and pls solve it as soon as possible..
Answer» ANSWER: $\: ( x - 1 ) ( x + 2 ) ( x - 2 ) ( x + 3 ) \:Step-by-step\:explanation: \: Put \: u = x² + x. \: \: Then \: \: 12 - ( x + x² ) ( 8 - x - x² ) \:= 12 - u ( 8 - u ) \: = u² - 8u + 12 \: = ( u - 2 ) ( u - 6 ) \: \: = ( x² + x - 2 ) ( x² + x - 6 ) \: \:= ( x - 1 ) ( x + 2 ) ( x - 2 ) ( x + 3 ) \: proved$

Factorize it..Pls don't spam...and pls solve it as soon as possible..

Answer»

$\: ( x - 1 ) ( x + 2 ) ( x - 2 ) ( x + 3 ) \:Step-by-step\:explanation: \: Put \: u = x² + x. \: \: Then \: \: 12 - ( x + x² ) ( 8 - x - x² ) \:= 12 - u ( 8 - u ) \: = u² - 8u + 12 \: = ( u - 2 ) ( u - 6 ) \: \: = ( x² + x - 2 ) ( x² + x - 6 ) \: \:= ( x - 1 ) ( x + 2 ) ( x - 2 ) ( x + 3 ) \: proved$

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Factorize it..Pls don't spam...and pls solve it as soon as possible..​

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Factorize it..Pls don't spam...and pls solve it as soon as possible..