Question

What should be added to 2x² + xy - 3y² to get x² + xy + y² ?​

Answer 1

Answer:

$2 {x}^{2} + xy - 3 {y}^{2} - (xy + {y}^{2} )$

$2x^2+xy-3y^2 - xy + {y}^{2}$

$2 {x}^{2} + xy - xy - 3 {y}^{2} + {y}^{2}$

$2 {x}^{2} - 2 {y}^{2}$

Step-by-step explanation:

.°. 2x²-2y² should be added.

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