Please sir question number 5
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3(a+b)²-5(a+b)+2
=3(a+b)²-(3+2)(a+b)+2
=3(a+b)²-3(a+b)-2(a+b)+2
=3(a+b)[(a+b)-1] - 2[(a+b)-1]
=[(a+b)-1](3-2)
=a+b-1
ANS:- a+b-1
=3(a+b)²-(3+2)(a+b)+2
=3(a+b)²-3(a+b)-2(a+b)+2
=3(a+b)[(a+b)-1] - 2[(a+b)-1]
=[(a+b)-1](3-2)
=a+b-1
ANS:- a+b-1
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