kinngrabbit1234 kinngrabbit1234
  • 14-03-2020
  • Mathematics
contestada

2x2+3x+7 − (5x2−6x+9)

Respuesta :

jimrgrant1 jimrgrant1
  • 14-03-2020

Answer:

- 3x² + 9x - 2

Step-by-step explanation:

Given

2x² + 3x + 7 - (5x² - 6x + 9) ← distribute the parenthesis by - 1

= 2x² + 3x + 7 - 5x² + 6x - 9 ← collect like terms

= - 3x² + 9x - 2

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