what must be subtracted from a3 -4a2+5a-6 to obtain a2 -2a+1
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hope this help you
Step-by-step explanation:
(a³-4a²+5a-6)-(a²-2a+1)
a³-4a²+5a-6-a+2a-1
a³-4a²-a²+5a+2a-6
Ans:-. a³-5a²+7a-7
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