Răspuns :
a) (x+2)²=x²+4x+4
b) (a+4)²=a²+8a+16
c) (y+5)² =y²+10y+25
d) (2x+1)² =4x²+4x+1
e) (2b+3)²=4b²+12b+9
f) (3a+2)²=9a²+12a+4
g) (4a+b)² =16a²+8ab+b²
h) (2c+5)² =4c²+20c+25
b) (a+4)²=a²+8a+16
c) (y+5)² =y²+10y+25
d) (2x+1)² =4x²+4x+1
e) (2b+3)²=4b²+12b+9
f) (3a+2)²=9a²+12a+4
g) (4a+b)² =16a²+8ab+b²
h) (2c+5)² =4c²+20c+25
^ inseamna la putere
a) x^2+4x+4
b) a^2+8a+16
c) y^2+10y+25
d) 4x^2+4x+1
e)4b^2+12b+9
f)9a^2+12a+4
g)16a^2+8ab+b^
h)4c^2+20c+25
a) x^2+4x+4
b) a^2+8a+16
c) y^2+10y+25
d) 4x^2+4x+1
e)4b^2+12b+9
f)9a^2+12a+4
g)16a^2+8ab+b^
h)4c^2+20c+25