Question

Efetue: a) (5x+1)^2 b) (2y+1)^2

Answer 1

a)
$(5x + 1) {}^{2}$
$(5x + 1)(5x + 1)$
$25 {x}^{2} + 5x + 5x + 1$
$25 {x}^{2} + 10x + 1$


b)
$(2y + 1) {}^{2}$
$(2y + 1)(2y + 1)$
$4 {y}^{2} + 2y + 2y + 1$
$4 {y}^{2} + 4y + 1$



Espero ter ajudado!