Question

a expressão (3y+3a) elevado ao quadrado é?

Answer 1

(3y+3a) * (3y +3a)
9Y^2 +9ya+9ay+9a^2
9y^2 +9a ^2 + 18ay

Answer 2

(3y+3a)=(3y+3a)x(3y+3a)

(3y)x(3y)+(3y)x(3a)+(3a)x(3y)+(3a)x(3a)

$3y^{2}$ + 2(3ay) + $3a^{2} [tex]3y^{2}$ + 6ay + [tex]3a^{2}