Question

Efectuati
Matematica
Dau coroana​

Answer 1

Răspuns:

Explicație pas cu pas:

a)x*+8x+16 *= la patrat

b) y*+6y+9

c)4x*+4x+1

d)9y*+6y+9

e)x*+4xy+4y*

f)4a*+20ab+5b*

g)m*+6mn+n*

h)16x*+16x+4

i)36x*+60x+2a*

ex al doil ea

a)x*-4x+4c

b)a*-2a+1

c)16-8b+b*

d)25-20c+4c*

e)4a*-4ab+b*

*=puterea a 2 a asta inseamna