Question

find the value 20x²-4y³if x=3 and y=5​

Answer 1

Answer:

✅Here your answer

$20 {x}^{2} - 4 {y}^{3} \\ \\ = 20 \times 9 - 4 \times 125 \\ \\ = 180 - 500 \\ \\ = - 320$

Hope it helps ✌

Answer 2

Answer:

put the value of x and y in the equation

20×9-4×125

180-500

-320