CASOS
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EJERCICIO 1
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EJERCICIO 2
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I
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8a - 4b + 16c + 12d = 4. (2a - b + 4c + 3d)
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9x3 - 6x2 + 12x5 - 18x7 = 3x2. (3x - 2 + 4x3 - 6x5)
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II
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4a + 4b + xa + xb =
4.(a + b) + x.(a + b) =
(a + b).(4 + x)
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4a + 4b + xb + xa =
4.(a + b) + x.(b + a) =
4.(a + b) + x.(a + b) =
(a + b).(4 + x)
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III
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x2 + 6x + 9 = (x + 3)2
x 3
2.3.x
6x
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x2 + 2x + 1 = (x + 1)2
x 1
2.1.x
2x
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IV
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x3 + 6x2 + 12x + 8 = (x + 2)3
x 2
3.x2.2 3.x.22
6x2 12x
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x3 - 9x2 + 27x - 27 = (x - 3)3
x -3
3.x2.(-3) 3.x.(-3)2
-9x2 27x
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V
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x2 - 9 = (x + 3).(x - 3)
x 3
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x2 - y2 = (x + y).(x - y)
x y
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GG
ResponderEliminar