a)x4+2x3+x2=x2(x2+2x+1)=x2.(x+1)2
b)x2+5x-6 =x2-x+6x-6 =x.(x-1)+6.(x-1) =(x-1).(x+6)
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a)x4+2x3+x2=x2(x2+2x+1)=x2.(x+1)2
b)x2+5x-6 =x2-x+6x-6 =x.(x-1)+6.(x-1) =(x-1).(x+6)
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