Question

25 x square + 9 Y square minus 30 x y

Answer 1

HEY Buddy....!! here is ur answer

$Given \: that :\: 25 {x}^{2} + 9 {y}^{2} - 30xy \\ \\ On \: solving :\: \\ \\ 25 {x}^{2} - 30xy + 9 {y}^{2} \\ \\ = > ({5x})^{2} - 2(5x)(3y) + ({3y})^{2} \\ \\ As \: we \: know \: that: \: {(a - b)}^{2} = {a}^{2} - 2ab + {b}^{2} \\ \\ here \: a = 5x \: and \: b \: = 3y \\ \\ = > \: {(5x)}^{2} - 2(5x)(3y) + {(3y)}^{2} = {(5x - 3y)}^{2}$

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