Question

Resolva as expressões (-x-y)2
(Y-x)2
(A+B) (a-b)
(3x+5y) (3x-5y)
(2m+4n) (2m-4n)
Preciso pra agr

Answer 1

Resposta:

(-x-y)2

$- {x}^{2} + 2xy + {y}^{2}$

(Y-x)2

${y}^{2} - 2xy + {x}^{2}$

(A+B) (a-b)

${a}^{2} - {b}^{2}$

(3x+5y) (3x-5y)

$9 {x}^{2} - 25 {y}^{2}$

(2m+4n) (2m-4n)

$4 {m}^{2} - 16 {n}^{2}$