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

x2-5x-8

User SagiLow
by
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2 Answers

22 votes
22 votes

Answer:


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

User Rynhe
by
2.7k points
18 votes
18 votes

Explanation:

  • x²-5x-8

When x=-3, then

  • (-3)²-5×(-3)-8
  • 9+15-8
  • 24-8
  • 16
User Lata
by
2.7k points
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