Factorise ab2+(a-1)b-1
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Answered by
33
ab^2+ab-b-1
=ab(b+1)-(b+1)
=(b+1)(ab-1)
=ab(b+1)-(b+1)
=(b+1)(ab-1)
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Answered by
24
ab²+ab-b-1
=ab(b+1)-(b+1)
=(b+1)(ab-1)
=ab(b+1)-(b+1)
=(b+1)(ab-1)
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