Resolva:
a) (a+c)²=
b) (2+g)²=
c) (5+z)²=
d) (o+10)²=
e) (2/3×+3/2y)=
f) (×+9)²=
g) (d+7)²=
h) (d+e)²=
a) (a+c)²=
b) (2+g)²=
c) (5+z)²=
d) (o+10)²=
e) (2/3×+3/2y)=
f) (×+9)²=
g) (d+7)²=
h) (d+e)²=
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Resposta:
a) (a + c)² = a² + 2ac + c²
b) (2 + g)² = 4 + 4g + g²
c) (5 + z)² = 25 + 10z + z²
d) (o + 10)² = o² + 20o + 100
e) (2/3x + 3/2y)² = 4/9x² + xy + 9/4y²
f) (x + 9)² = x² + 18x + 81
g) (d + 7)² = d² + 14d + 49
h) (d + e)² = d² + 2de + e²