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lord [1]
3 years ago
5

Evaluate the expression when x= -3. x2-5x-8

Mathematics
2 answers:
avanturin [10]3 years ago
5 0

Answer:

{x}^{2}  - 5x - 8 \\ x =  - 3 \\  {( - 3)}^{2}  - 3 \times -  5 - 8 \\ 9  + 15 - 8 \\ 24 - 8 \\  = 16 \\ thank \: you

never [62]3 years ago
4 0

Step-by-step explanation:

  • x²-5x-8

When x=-3, then

  • (-3)²-5×(-3)-8
  • 9+15-8
  • 24-8
  • 16
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