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Descompuneti in factori urmatoarele expresii,folosind formula:,,a²+2ab+b²=(a+b)"
a)x²+2xy+y²=
b)x²+2x+1=
c)x²+4x+4=
d)y²+6y+9=
e)x²+8x+16=
f)b²+10b+25=
g)x²+12x+36=
h)4x²+12x+9=
i)9x²+12x+4=
Cu tot cu rezolvare ,va roog imi trebuie numai dacat.DAU COROANA

Răspuns :

SignOfTheTimes
a) x²+2xy+y² = (x+y)².
b) x²+2x+1 = (x+1)².
c) x²+4x+4 = (x+2)².
d) y²+6y+9 = (y+3)².
e) x²+8x+16 = (x+4)².
f) b²+10b+25 = (b+5)².
g) x²+12x+36 = (x+6)².
h) 4x²+12x+9 = (2x+3)².
i) 9x²+12x+4 = (3x+2)².

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