3exsquare-2ysquare+5xysquare-7
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2y2, 3x2 – 5, xy, 4xy + 7. (i) The expression x2 is obtained by multiplying the variable x by itself;. x × x = x2. Just as 4 × 4 is written as 42, ...
Missing: 3exsquare- 2ysquare+ 5xysqu
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