Question

7x+3y3-4xy+ 3x-2y3 restar 7xy+ 2xy-5x-6y3
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Answer 1

$(7x+3y^{3} -4xy+ 3x-2y^{3} )-(7xy+ 2xy-5x-6y^{3}) \\ 7x + 3x - 4xy - 2y^{3}+3y^{3}- 7xy - 2xy + 5x + 6 {y}^{3} \\ 7x + 3x + 5x- 4xy - 7xy - 2y^{3}+3y^{3} + 6 {y}^{3} \\ 15x - 11xy + 7 {y}^{3}$