Respostas

  • Usuário do Brainly
2014-08-11T23:18:04-03:00
A)
(x+7)²=x²+14x+49
b)
(5+2m)²= 25+20m+4m²
c)
(a+3x)²=a²+6ax+9x²
d)
(10x-y)²=100x²-20xy+y²
e)
(5x²+1)²=25 x^{4} +10 x^{2} +1
f)
(11+pq)²=121+22pq+p²q²
g)
(x+0,5)²=x²+x+0,25
h)
(x+ \frac{1}{2} ) ^{2} = x^{2} +x+ \frac{1}{4}