Respuesta :

spammingallowed

Answer:

[tex] - 38 {p}^{2} - 78p \\ p = - 1 \\ - 38 \times { (- 1)}^{2} - 78 \times - 1 \\ - 38 + 78 \\ = 40 \\ thank \: you[/tex]

brundag05

Adding p = -1

[tex] - 38( - 1) {}^{2} - 78( - 1) \\ - 38 \times 1 - ( - 78) \\ ( - 38) - ( - 78) \\ - 38 + 78 \\ = 40[/tex]

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