(a²-2a + 19)[tex]\neq[/tex]
[tex]SOLUCION[/tex]
[tex]a^{2} b - 2ab +19b[/tex]
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(a²-2a + 19)[tex]\neq[/tex]
[tex]SOLUCION[/tex]
[tex]a^{2} b - 2ab +19b[/tex]