Respuesta:
[tex]8 {x}^{2} - 22x + 21 \\ 8 {x}^{2} + 6x - 28x - 21 \\ 2x(4x + 3) - 7(4x + 3) \\ (4x + 3)(2x - 7)[/tex]
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Respuesta:
[tex]8 {x}^{2} - 22x + 21 \\ 8 {x}^{2} + 6x - 28x - 21 \\ 2x(4x + 3) - 7(4x + 3) \\ (4x + 3)(2x - 7)[/tex]