Respuesta:
Vertical y horizontal
[tex]2x^2 - 4x + 6 \\+ x^2 - 5x - 7\\\\3x^2 - 9x - 1\\\\\\\\\\\\(2x^2 - 4x + 6)+(x^2 - 5x - 7)\\\\2x^2 - 4x + 6 + x^2 - 5x - 7\\\\3x^2 - 9x - 1[/tex]
Explicación paso a paso:
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Respuesta:
Vertical y horizontal
[tex]2x^2 - 4x + 6 \\+ x^2 - 5x - 7\\\\3x^2 - 9x - 1\\\\\\\\\\\\(2x^2 - 4x + 6)+(x^2 - 5x - 7)\\\\2x^2 - 4x + 6 + x^2 - 5x - 7\\\\3x^2 - 9x - 1[/tex]
Explicación paso a paso: