Question

what must be added to 3a^3-2a^2+5a+1so that the sum may be a^3-2^2+4a-1/​

Answer 1

Answer:

Let number that must be added be x

So,

ATQ

(3a³-2a²+5a+1)+x = a³-2²+4a-1

(3a³-2a²+5a+1)+x = a³+4a-5

x = a³+4a-5 - (3a³-2a²+5a+1)

x = a³+4a-5-3a³+2a²-5a-1

x = -2a³+2a²-a-6

Hope it helped you

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