Eva1237 Eva1237
  • 01-06-2022
  • Mathematics
contestada

If x = -7, evaluate the following expression:

(x − 2)(x+14)
——————-
x(x + 8)

If x 7 evaluate the following expression x 2x14 xx 8 class=

Respuesta :

loneguy
loneguy loneguy
  • 01-06-2022

Answer:

9

Step-by-step explanation:

[tex]\text{Given that}~ x = -7\\\\\dfrac{(x-2)(x+14)}{x(x+8)}\\\\\\=\dfrac{(-7-2)(-7+14)}{-7(-7+8)}\\\\\\=\dfrac{(-9)(7)}{-7(1)}\\\\\\=\dfrac{-63}{-7}\\\\\\=9[/tex]

Answer Link
Аноним Аноним
  • 01-06-2022

Answer:

9

Step-by-step explanation:

Given :

[tex]\frac{(x-2)(x+14)}{x(x+8)}[/tex]

=============================================================

Substitute x = -7 :

⇒ [tex]\frac{(-7-2)(-7+14)}{(-7)(-7+8)}[/tex]

⇒ [tex]\frac{(-9)(7)}{(-7)(1)}[/tex]

⇒ -9 × -1

⇒ 9

Answer Link

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