May 2023 2 6 Report
Tolong dijawab !

Jika x, y bilangan bulat positif, dan 16x² - 9y² = 31, maka nilai dari 9x² - 16y² = ….

A. -256
B. -225
C. 225
D. 256

Sekian terimakasih yg sdh membantu :)​

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