Respuesta :

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Answer:

[tex]-65[/tex]

Step-by-step explanation:

[tex](5d-7)(5d-6)[/tex]

[tex]5d(5d)+5d(-6)-7(5d)-7(-6)[/tex]

[tex]25d^2+-30d+-35d+42[/tex]

[tex]25d^2+-65d+42[/tex]

The missing coefficient of [tex]d[/tex] is [tex]-65[/tex].

wegnerkolmp2741o

Answer:

25d^2 -65d +42

Step-by-step explanation:

(5d-7)(5d-6)=25d^2+__d+42

FOIL

(5d-7)(5d-6)=

First  5d*5d = 25d^2

Outer  5d*-6 = -30d

Inner  -7*5d = -35d

Last = -7*-6 = 42

Add them together

25d^2 -30d -35d +42

25d^2 -65d +42