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a fost răspuns

Restrangeti:
a) x²+4x+4=
b)x²-2x+1=
c)x²+20x+100=
d)4x(4)+4x²+1=
e)x2-4xy+4y²=
f)x(2)-2√2x+2=
g)x²+2√5x+5=
h)x²-x+1/4=

Răspuns :

MariaDN
a)x²+4x+4=(x+2)²
b)x²-2x+1=(x-1)²
c)x²+20x+100=(x+10)²
d)4x⁴+4x²+1=(2x²+1)²
e)x²-4xy+4y²=(x-2y)²
f)x²-2√2x+2=(x-√2)²
g)x²+2√5x+5=(x+√5)²
h)x²-x+1/4=(x-1/2)²
Succes!!

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