Question

Ma puteti ajuta si pe mine va rog ?

Answer 1

Salut!

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Raspuns:

a)x²+2xy+y²=(x+y)²

b)x²+2x+1=(x+1)²

c)x²+4x+4 = x²+2•x•2+2²=(x+2)²

d)y²+6y+9 = y²+2•y•3+3²=(y+3)²

e)x²+8x+16 = x²+2•x•4+4²=(x+4)²

f)b²+10b+25 = b²+2•b•5+5²=(b+5)²

g)x²+12x+36 = x²+2•x•6+6²=(x+6)²

h)4x²+12x+9 = (2x)²+2•2x•3+3²=(2x+3)²

i)9x²+12x+4 = (3x)²+2•3x•2+2²=(3x+2)²

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#TheKira