Question

b) x2 + 2xy + y2, para x = -1 ey = -3 ???​

Answer 1

Resposta:

(-1)²+ 2.-1.-3+ (-3)²

1+2.-1.-3+9

1+6+9

16

espero ter ajudado

Answer 2

B)

$( -1 {}^{2} ) + 2 \times ( - 1) \times ( - 3) + ( - 3 {)}^{2} =$

1+6+9=

16