Question

What should be subtracted from a3 - 4a2+ 5a-6 to get a2-2a+1​

Answer 1

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Answer 2

(a³-4a²+5a-6)-(a²-2a+1)

=a³-4a²+5a-6-a²+2a-1

=a³-4a²-a²+5a+2a-6-1

=a³-5a²+7a-7

Right ans is (a³-5a²+7a-7)

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