Question

(x-2y+3)2 +(x+2y-3)2

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Answer 1

Answer:

2x-4y+6 + 2x+4y-6

4x^2-8y^2-12

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Answer 2

Answer :-

On simplification ,

We get ;

${(x - 2y + 3)}^{2} + {(x + 2y - 3)}^{2} \\ = = > {2(x)}^{2} + {8y}^{2} + {2(3)}^{2} + 2.(x)( - 2y) \\ + 2.( - 2y)(3) + 2.(x)(3) + 2.(x)(2y) + 2.(2y)( - 3) + 2.( - 3)(x) \\ \\ {2x}^{2} + {8y}^{2} + 18 - 24y$

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