Question

−5x²− 3xy + 5y² at x = −1 and y = −2​

Answer 1

Answer:

$- 5 {( - 1)}^{2} - 3( - 1)( - 2) + 5 {( - 2)}^{2} \\ - 5 - 6 + 20 \\ = > 9$

hope it's help you ❤️