Question

what should be taken away from
$3x ^{2} - 4y ^{2} + 5xy + 20$
to get
$-x ^{2} - y ^{2} + 6xy + 20$


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Answer 1

Answer:

4xsquare-3ysquare-xy

Step-by-step explanation:

subtract 2nd equation from 1st equation and you will get the answer