Math, asked by coolsunilsrivastava, 4 months ago

9x²+25y²-20xy when x=4 y=9

Answers

Answered by sreeni2078

0

Answer:

Step-by-step explanation:

9x2+25y2-20xy

9(4)^2+25(9)^2-20×4×9

9×16+25×81-720

144+2025-720

2189-720

1469

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