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Hi please help with this have a great day​
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Hi please help with this
have a great day​

Hi please help with this have a great day​-example-1
User Escaped
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2 Answers

4 votes

Answer:

Can you explain what this is then I can help

User Niet The Dark Absol
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5.7k points
7 votes

Answer:

  • - 11

Explanation:

Given a = -2.9

Simplify the fraction:

  • (a² + a - 12)/(9 - a²) =
  • (a² + 4a - 3a - 12)/(3 - a)(3 + a) =
  • (a - 3)(a + 4) / - (a - 3)(a + 3) =
  • - (a + 4) / (a + 3)

Now substitute the value of a:

  • - (- 2.9 + 4) / (-2.9 + 3) =
  • - 1.1 / 0.1 =
  • - 11
User Aidas
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