tayk717 tayk717
  • 17-12-2020
  • Mathematics
contestada

solve the equation.
2x2 - x-21 = 0

Respuesta :

indiraadhikari32l
indiraadhikari32l indiraadhikari32l
  • 18-12-2020

Answer:

-17

Step-by-step explanation:

2×2-x-21=0

4-x=0+21

-x=21-4

x=-17

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