koolgirl4686 koolgirl4686
  • 11-01-2021
  • Mathematics
contestada

Evaluate the following expression:
3y2 - 4x + 2xy, when x = 2 and y = 5

Respuesta :

preranaxettri
preranaxettri preranaxettri
  • 11-01-2021

Answer:

87

Step-by-step explanation:

3×(5)^2 - 4×2 + 2×2×5

3×(5)^2 - 4×2 + 2×2×53×25 - 8 + 20

3×(5)^2 - 4×2 + 2×2×53×25 - 8 + 2075 + 20 - 8

3×(5)^2 - 4×2 + 2×2×53×25 - 8 + 2075 + 20 - 8 95-8

3×(5)^2 - 4×2 + 2×2×53×25 - 8 + 2075 + 20 - 8 95-887

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