Desenvolva algebricamente , cada quadrado da soma de dois termos :
a) (3x +5)²
b) (7a +1)²
c) (x+2y)²
a) 3x + 5 = 8x² = 64x x=64
b) 7a + 1 = 8a² = 64a a=64
c) x + 2y = 2y² = 4y + x y= 4
x=4
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a) 3x + 5 = 8x² = 64x x=64
b) 7a + 1 = 8a² = 64a a=64
c) x + 2y = 2y² = 4y + x y= 4
x=4