maricelaavalos75 maricelaavalos75
  • 07-05-2020
  • Mathematics
contestada


Evaluate the expression when x-3
4x2 - 14x + 4

Respuesta :

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zrh2sfo zrh2sfo
  • 07-05-2020

Answer:

82

Step-by-step explanation:

Evaluate 4 x^2 - 14 x + 4 where x = -3:

4 x^2 - 14 x + 4 = 4×(-3)^2 - -3×14 + 4

(-3)^2 = 9:

4×9 - 14 (-3) + 4

4×9 = 36:

36 - 14 (-3) + 4

-14 (-3) = 42:

36 + 42 + 4

| 1 |  

| 4 | 2

| 3 | 6

+ | | 4

| 8 | 2:

Answer:  82

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