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Mathematics, 07.05.2020 00:14 erieannapickett12

1: Add or Subtract: (-2x^2 - 4x + 8) + (5x^2 + 2x - 25)
2: Add or Subtract: (5x^2 + 4x - 6) - (-5x^2 - 3x + 15)
3: Multiply: (3x - 1)(4x^2 + 3x + 7)
4: Find the roots: f(n) = n^2 - 2n - 15

Show your work please and thank you! Need answers ASAP

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Answers: 3

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1: Add or Subtract: (-2x^2 - 4x + 8) + (5x^2 + 2x - 25)
2: Add or Subtract: (5x^2 + 4x - 6) -...
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