Respuesta :

mhanifa

Answer:

  • 27

Step-by-step explanation:

Given:

  • x = - 2, y = 1

Find the value of the expression:

  • 3x²y² - y⁷ + x⁴ =
  • 3(-2)²(1)² - 1⁷ + (-2)⁴ =
  • 12 - 1 + 16 =
  • 27
  • 3x²y²-y⁷+x⁴
  • 3(-2)²(1)²-(1)⁷+(-2)⁴
  • 3(4)-1+16
  • 12+15
  • 27