saramikke saramikke
  • 30-03-2020
  • Mathematics
contestada

If x = -4, calculate the value of:
2x^2 + x

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TheAnimeGirl
TheAnimeGirl TheAnimeGirl
  • 30-03-2020

Hope this will help u...

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jimrgrant1 jimrgrant1
  • 30-03-2020

Answer:

28

Step-by-step explanation:

Substitute x = - 4 into the expression and evaluate

2x² + x

= 2(- 4)² + (- 4)

= 2(16) - 4

= 32 - 4

= 28

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