Factorise (a2-2a)2-22(a2-2a)+120
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Hi ,
( a² - 2a )² - 22( a² - 2a ) + 120
= (a² - 2a )² - 10(a2-2a)-12(a²-2a)+120
= (a²-2a)( a²-2a-10)-12(a² - 2a - 10 )
= ( a² - 2a - 10 )( a² - 2a )
= a( a - 2 ) ( a² - 2a - 10 )
I hope this helps you.
: )
( a² - 2a )² - 22( a² - 2a ) + 120
= (a² - 2a )² - 10(a2-2a)-12(a²-2a)+120
= (a²-2a)( a²-2a-10)-12(a² - 2a - 10 )
= ( a² - 2a - 10 )( a² - 2a )
= a( a - 2 ) ( a² - 2a - 10 )
I hope this helps you.
: )
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