Math, asked by veerudhingra01, 28 days ago

9x square +14y -1-49y square

Answers

Answered by zeesoftzs

2

Answer:

$= 9 {x}^{2} + 14y - 1 - 49 {y}^{2} \\ = 9 {x}^{2} - (49 {y}^{2} - 14y + 1) \\ = {(3x)}^{2} - ( {7y - 1)}^{2} \\ = (3x - 7y + 1)(3x + 7y - 1)$

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