Question

x^2+y^4+(x-y^2)(x+y^2) x=5 y=6

Answer 1

Ответ:

${x}^{2} + {y}^{4} + (x - {y}^{2} )(x + {y}^{2} ) = \\ = {x}^{2} + {y}^{4} + {x}^{2} - {y}^{4} = 2 {x}^{2} \\ 2 \times {5}^{2} = 2 \times 25 = 50$