Question

what must be subtracted from 3a²-6ab-3b²-1 to get 4a²-7ab-4b²+1

Answer 1

Step-by-step explanation:

it is the correct ans!! but ur que is little bit wrong so,conpletely check it!!

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Answer 2

Answer:

-a²+1ab+1b²-2

Step-by-step explanation:

3a²-6ab-3b²-1

4a²-7ab-4b²+1

(-) - + + -

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-a²+1ab+1b²-2 answer

we will subtract

-a²+1ab+1b²-2 from 3a²-6ab-3b²-1 to get 4a²-7ab-4b²+1