👤

descopuneti in factori urmatoarele expresii utilizand formula a²+2ab+b²=(a+b)²

a)x²+2xy+y²
b)x²+10ax+25a²
c)4x²+12x+9
d)a²+2a+1
e)m²+10m+25


Răspuns :

a)x²+2xy+y²= (x+y)^2
b)x²+10ax+25a²= (x+5a)^2
c)4x²+12x+9=  (2x+3)^2
d))a²+2a+1= (a+1)^2
e)m²+10m+25= (m+5)^2