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restrangeti varog repede
b.x^2-2x+1
c.x62-10x+25
d,x^2-6x+9
e.x^2-8x+10
f.x^2-6x+9
g.x^2-6x+1
h.x^2-12x+1

Răspuns :

IuliaIR
b) x²-2x+1=(x-1)²
c) x²-10x+25=(x-5)²
d) x²-6x+9=(x-3)²
e) x²-8x+10=x²-8x+16-6=(x-4)²-6=(x-4-√6)(x-4+√6)
f) x²-6x+9=(x-3)²
g)x²-6x+1=x²-6x+9-8=(x-3)²-8=(x-3-2√2)(x-3+2√2)
h)x²-12x+1=x²-12x+36-35=(x-6)²-35=(x-6-√35)(x-6+√35)

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