Question

if x=1 and y=-2 ...find the value of x2 +y2 +2xy
please tell me the answer​

Answer 1

1 × 2+(-2)×2+2×1×(-2)
2+(-4)+2×(-2)
2-4+(-4)
2-4-4
2-8
-6 hope this will help you

Answer 2

Hey mate..here's ur answer:

$x = 1$

$y = - 2$

$x(2) + y(2) + 2(x)(y)$

$1(2) + ( - 2)(2) + 2(1)( - 2)$

$2 - 4 - 4$

$= 2 - 8$

$= - 6$

Hope it helps..plz mark as Brainliest