What should be added to 2X^2 + xy + 2y^2 to obtain 3X^2 + 5 XY ?
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Step-by-step explanation:
2x^2+xy+2y^2=3x^2+5xy
3x^2+5xy-2x^2-xy-2y^2
x^2+4xy-2y^2(answer)
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