Question

3. Simplify the following:
(i) (2x - 3y) (3x + y) + (x + 2y) (x - y)​

Answer 1

Answer:

$(2x - 3y)(3x + y) + (x + 2y)(x - y) \\ \\ = 6 {x}^{2} + 2xy - 9xy - 3 {y}^{2} + ( {x}^{2} - xy + 2xy - 2 {y}^{2} ) \\ \\ = 6 {x}^{2} - 7xy - 3 {y}^{2} + ({x}^{2} + xy - 2 {y}^{2} ) \\ \\ = 6 {x}^{2} - 7xy - 3 {y}^{2} + {x}^{2} + xy - 2 {y}^{2} \\ \\ = 7{x}^{2} - 6xy - 5 {y}^{2}$

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Answer 2

Answer:

7x2 is the correct answer hope you get it no explanation

no explanation