Question

(2xy-7x2+6x3)-(6xy-7x2-6x3​

Answer 1

(2xy-7x2+6x3)-(6xy-7x2-6x3)

(2xy - 14 + 18) - (6xy - 14 - 18)

2xy - 14 + 18 - 6xy + 14 + 18

2xy - 6xy + 18 + 18 +14 - 14

-4xy +36

Or 36-4xy

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Answer 2

(2xy-7x2+6x3)-6xy+7x2+6x3

2xy-6xy+6x3+6x3

-4xy+12x3