Odpowiedzi

2010-01-18T20:42:44+01:00
X²+14x+49
4x²+4x+1
16+8x+x²
4x²+24x+36
16x²+8xy+y²
4x²+20xy+25y²
2010-01-18T20:43:49+01:00
A) (x+7)² = x²+14x+49
b) (2x+1)² = 4x²+4x+1
c) (4+x)² = 16+8x+x²
d) (2x+6)² = 4x²+24x+36
e) (4x+y)² = 16x²+8xy+y²
f) (2x+5y)² = 4x²+20xy+25y²
2010-01-18T20:49:55+01:00