How to solve what should be added to 3 ysquare + 2 X Y + 5 x square to get 4 x y + x square
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let A be added to (3y square + 2xy + 5x square) to get (4xy + x squire)
i.e,-3ysqare + 2xy + 5xsquare + A = 4xy + xsquare
or.,A =4xy + xsquare -3ysquare-2xy-5xsqare
A = 2xy -3ysquare-4xsquare
hence,2xy-3ysquare-4xsquare will be added.
i.e,-3ysqare + 2xy + 5xsquare + A = 4xy + xsquare
or.,A =4xy + xsquare -3ysquare-2xy-5xsqare
A = 2xy -3ysquare-4xsquare
hence,2xy-3ysquare-4xsquare will be added.
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