Question

14x + 10y - 12xy - 13 + 18 - 7x - 10y + 8xy + 4xy.

Answer 1

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Answer 2

∴ 14x + 14y – 12xy – 13 + 18 – 7x – 10y + 8xy + 4xy

Re-arranging the like terms, we get

-12xy + 8xy + 4xy + 14x – 7x + 10y – 10y – 13 + 18

-12xy+12xy+7x+0+5

= 0 + 7x + 0 + 5

= 7x + 5 which is required