7² – 4y² + 5x – 2y² = … ?​

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7² – 4y² + 5x – 2y² = … ?​

» Aljabar

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7² – 4y² + 5x – 2y²

= 49 – 4y² + 5x – 2y²

= 49 – 4y² – 2y² + 5x

= 49 – 6y² + 5x

= –6y² + 5x + 49

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SederhNa

7² – 4y² + 5x – 2y²

49 – 4y² + 5x – 2y²

5x – 4y² – 2y² + 49

5x – 6y² + 49