dingersoll25 dingersoll25
  • 22-02-2019
  • Mathematics
contestada

Find the value of x2 − 8x + 9 when x = 7.

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 22-02-2019

Answer:

2

Step-by-step explanation:

x^2 -8x+9

Let x=7

7^2 -8*7 +9

49 - 56 +9

-7+9

2

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