Question

the value of the expression -y²+2xy+3x²y when X=1,y=1 is ________​

Answer 1

Answer:

When , x = 1 and y = 1

$- {y}^{2} + 2xy + 3 {x}^{2} y \\ \\ = {( - 1)}^{2} + 2 \times 1 \times 1 + 3 {(1)}^{2} \times 1 \\ \\ = 1 + 2 + 3 \times 1 \times 1 \\ \\ = 1 + 2 + 3 \\ \\ = 6$

hope this much helps uh ❣️