554jadharo
554jadharo 554jadharo
  • 22-02-2022
  • Mathematics
contestada

Simplify:
9x2 - 4x – 3 = [?]
-
=
x=-2

Simplify 9x2 4x 3 x2 class=

Respuesta :

Аноним Аноним
  • 22-02-2022

Step-by-step explanation:

if x = -2

= 9x² - 4x - 3

= 9 ( -2)² - 4 ( -2 ) - 3 [ x = -2 ]

= 9 × 4 + 8 - 3

= 36 + 8 - 3

= 44 - 3

= 41

Answer Link
kwang001
kwang001 kwang001
  • 28-02-2022

[tex]\huge{\boxed{{ x = -2}}}[/tex]

[tex] 9x² - 4x - 3[/tex]

[tex]↠ 9 (-2)² -4 (-2) - 3[/tex]

[tex]↠ 9×4+8-3[/tex]

[tex]↠ 36 + 8 -3[/tex]

[tex]↠ 44-3[/tex]

[tex]↠ 41[/tex]

[tex]\large{{\bold{ \underline{ \underline{ \overline{ \overline{ \pink{9{x}^{2} - 4x – 3 = 41}}}}}}}}[/tex]

Answer Link

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