depressedangel123 depressedangel123
  • 17-01-2020
  • Mathematics
contestada

Simplify 2x 2 - y for x = 3 and y = -2.

Respuesta :

jimrgrant1 jimrgrant1
  • 17-01-2020

Answer:

20

Step-by-step explanation:

Given

2x² - y ← substitute x = 3 and y = - 2 into the expression

= 2(3)² - (- 2)

= 2(9) + 2

= 18 + 2

= 20

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