Kaylarichel919 Kaylarichel919
  • 12-05-2022
  • Mathematics
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Need help please answer asap

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Аноним Аноним
  • 12-05-2022

#13

  • x²+3x-2-(2x²-x+6)
  • x²+3x-2-2x²+x-6
  • -x²+4x-8

Option D

#14

  • .(a²+b²)²
  • (a²)²+(b²)²+2a²b²
  • a⁴+2a²b²+b⁴
Answer Link
Аноним Аноним
  • 12-05-2022

Answer:

    13. (4) -x² + 4x - 8

    14. (3) a⁴ + 2a²b² + b⁴

Step-by-step explanation:

Question 13

  • x² + 3x - 2 - [2x² - x + 6]
  • x² - 2x² + 3x + x - 2 - 6
  • (4) -x² + 4x - 8

Question 14

  • (a² + b²)²
  • (a²)² + 2(a²)(b²) + (b²)²
  • (3) a⁴ + 2a²b² + b⁴
Answer Link

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