arliannav308
arliannav308 arliannav308
  • 11-08-2020
  • Mathematics
contestada

Evaluate if x =3 and y = -2

x2+2xy−4y

Respuesta :

thepingu
thepingu thepingu
  • 11-08-2020

Answer:

5

Step-by-step explanation:

With the equation [tex]x^2 + 2xy - 4y[/tex], we can substitute the values of x = 3 and y = -2 into the equation to find its result.

[tex](3^2) + (2\cdot3\cdot-2) - (4\cdot-2)\\\\9 + (6\cdot-2) - (-8)\\9 - 12 + 8\\5[/tex]

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