Math, asked by Musfirahshoaib2003, 7 months ago

<br /> ${(x + 3y)}^{2} - (x + 3y)(3x - 7y)$ <br />

Answers

Answered by jaidansari248

1

Answer:

${(x + 3y)}^{2} - (x + 3y)(3x - 7y) \\ = (x + 3y)(x + 3y - 3x + 7y) \\ = (x + 3y)(10y - 2x) \\ = 2(x + 3y)(5y - x)$

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